Search a number
-
+
16000824 = 23372341101
BaseRepresentation
bin111101000010…
…011100111000
31010002221000010
4331002130320
513044011244
61330541520
7253001430
oct75023470
933087003
1016000824
119039724
1254378a0
133413058
1421a72c0
151610eb9
hexf42738

16000824 has 128 divisors (see below), whose sum is σ = 49351680. Its totient is φ = 4224000.

The previous prime is 16000819. The next prime is 16000841. The reversal of 16000824 is 42800061.

16000824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 16000824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158374 + ... + 158474.

It is an arithmetic number, because the mean of its divisors is an integer number (385560).

Almost surely, 216000824 is an apocalyptic number.

16000824 is a gapful number since it is divisible by the number (14) 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 16000824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24675840).

16000824 is an abundant number, since it is smaller than the sum of its proper divisors (33350856).

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

16000824 is a wasteful number, since it uses less digits than its factorization.

16000824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 16000824 is about 4000.1029986739. The cubic root of 16000824 is about 251.9885356337.

Adding to 16000824 its reverse (42800061), we get a palindrome (58800885).

The spelling of 16000824 in words is "sixteen million, eight hundred twenty-four", and thus it is an aban number.

Divisors: 1 2 3 4 6 7 8 12 14 21 23 24 28 41 42 46 56 69 82 84 92 101 123 138 161 164 168 184 202 246 276 287 303 322 328 404 483 492 552 574 606 644 707 808 861 943 966 984 1148 1212 1288 1414 1722 1886 1932 2121 2296 2323 2424 2828 2829 3444 3772 3864 4141 4242 4646 5656 5658 6601 6888 6969 7544 8282 8484 9292 11316 12423 13202 13938 16261 16564 16968 18584 19803 22632 24846 26404 27876 28987 32522 33128 39606 48783 49692 52808 55752 57974 65044 79212 86961 95243 97566 99384 115948 130088 158424 173922 190486 195132 231896 285729 347844 380972 390264 571458 666701 695688 761944 1142916 1333402 2000103 2285832 2666804 4000206 5333608 8000412 16000824