Search a number
-
+
13786416 = 243374797
BaseRepresentation
bin110100100101…
…110100110000
3221221102102000
4310211310300
512012131131
61211254000
7225116430
oct64456460
927842360
1013786416
117866a36
12474a300
132b19157
141b8c2c0
151324ce6
hexd25d30

13786416 has 160 divisors (see below), whose sum is σ = 46663680. Its totient is φ = 3815424.

The previous prime is 13786411. The next prime is 13786417. The reversal of 13786416 is 61468731.

13786416 is a `hidden beast` number, since 1 + 3 + 7 + 8 + 641 + 6 = 666.

It is a super-2 number, since 2×137864162 = 380130532250112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (24192) is a multiple of the sum of its prime factors (168).

It is not an unprimeable number, because it can be changed into a prime (13786411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142080 + ... + 142176.

It is an arithmetic number, because the mean of its divisors is an integer number (291648).

Almost surely, 213786416 is an apocalyptic number.

13786416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13786416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23331840).

13786416 is an abundant number, since it is smaller than the sum of its proper divisors (32877264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13786416 is a wasteful number, since it uses less digits than its factorization.

13786416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 156 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 13786416 is about 3713.0063291085. The cubic root of 13786416 is about 239.7823025924.

The spelling of 13786416 in words is "thirteen million, seven hundred eighty-six thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 47 48 54 56 63 72 84 94 97 108 112 126 141 144 168 188 189 194 216 252 282 291 329 336 376 378 388 423 432 504 564 582 658 679 752 756 776 846 873 987 1008 1128 1164 1269 1316 1358 1512 1552 1692 1746 1974 2037 2256 2328 2538 2619 2632 2716 2961 3024 3384 3492 3948 4074 4559 4656 5076 5238 5264 5432 5922 6111 6768 6984 7896 8148 8883 9118 10152 10476 10864 11844 12222 13677 13968 15792 16296 17766 18236 18333 20304 20952 23688 24444 27354 31913 32592 35532 36472 36666 41031 41904 47376 48888 54708 63826 71064 72944 73332 82062 95739 97776 109416 123093 127652 142128 146664 164124 191478 218832 246186 255304 287217 293328 328248 382956 492372 510608 574434 656496 765912 861651 984744 1148868 1531824 1723302 1969488 2297736 3446604 4595472 6893208 13786416