Search a number
-
+
13506416 = 2471119577
BaseRepresentation
bin110011100001…
…011101110000
3221102012022122
4303201131300
511424201131
61201253412
7222542210
oct63413560
927365278
1013506416
117695630
124634268
132a4b881
141b18240
1512bbd7b
hexce1770

13506416 has 80 divisors (see below), whose sum is σ = 34402560. Its totient is φ = 4976640.

The previous prime is 13506413. The next prime is 13506439. The reversal of 13506416 is 61460531.

13506416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13506413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23120 + ... + 23696.

It is an arithmetic number, because the mean of its divisors is an integer number (430032).

Almost surely, 213506416 is an apocalyptic number.

13506416 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 13506416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17201280).

13506416 is an abundant number, since it is smaller than the sum of its proper divisors (20896144).

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

13506416 is a wasteful number, since it uses less digits than its factorization.

13506416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13506416 is about 3675.1076174719. The cubic root of 13506416 is about 238.1478731734.

Adding to 13506416 its reverse (61460531), we get a palindrome (74966947).

The spelling of 13506416 in words is "thirteen million, five hundred six thousand, four hundred sixteen".

Divisors: 1 2 4 7 8 11 14 16 19 22 28 38 44 56 76 77 88 112 133 152 154 176 209 266 304 308 418 532 577 616 836 1064 1154 1232 1463 1672 2128 2308 2926 3344 4039 4616 5852 6347 8078 9232 10963 11704 12694 16156 21926 23408 25388 32312 43852 44429 50776 64624 76741 87704 88858 101552 120593 153482 175408 177716 241186 306964 355432 482372 613928 710864 844151 964744 1227856 1688302 1929488 3376604 6753208 13506416