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156190056 = 233112329887
BaseRepresentation
bin10010100111101…
…00010101101000
3101212220021110220
421103310111220
5304441040211
623255410040
73604410411
oct1123642550
9355807426
10156190056
118018a9a0
1244383920
1326488569
1416a5a808
15daa3806
hex94f4568

156190056 has 128 divisors (see below), whose sum is σ = 460339200. Its totient is φ = 43662080.

The previous prime is 156190049. The next prime is 156190057. The reversal of 156190056 is 650091651.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 156189999 and 156190026.

It is not an unprimeable number, because it can be changed into a prime (156190057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175645 + ... + 176531.

It is an arithmetic number, because the mean of its divisors is an integer number (3596400).

Almost surely, 2156190056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156190056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230169600).

156190056 is an abundant number, since it is smaller than the sum of its proper divisors (304149144).

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

156190056 is a wasteful number, since it uses less digits than its factorization.

156190056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 156190056 is about 12497.6020099858. The cubic root of 156190056 is about 538.5397861337.

The spelling of 156190056 in words is "one hundred fifty-six million, one hundred ninety thousand, fifty-six".

Divisors: 1 2 3 4 6 8 11 12 22 23 24 29 33 44 46 58 66 69 87 88 92 116 132 138 174 184 232 253 264 276 319 348 506 552 638 667 696 759 887 957 1012 1276 1334 1518 1774 1914 2001 2024 2552 2661 2668 3036 3548 3828 4002 5322 5336 6072 7096 7337 7656 8004 9757 10644 14674 16008 19514 20401 21288 22011 25723 29271 29348 39028 40802 44022 51446 58542 58696 61203 77169 78056 81604 88044 102892 117084 122406 154338 163208 176088 205784 224411 234168 244812 282953 308676 448822 489624 565906 591629 617352 673233 848859 897644 1131812 1183258 1346466 1697718 1774887 1795288 2263624 2366516 2692932 3395436 3549774 4733032 5385864 6507919 6790872 7099548 13015838 14199096 19523757 26031676 39047514 52063352 78095028 156190056