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156530328 = 23313149787
BaseRepresentation
bin10010101010001…
…11011010011000
3101220112120020120
421111013122120
5310032432303
623310553240
73610325433
oct1125073230
9356476216
10156530328
11803a2609
1244508820
13265773c6
1416b0881a
15db1e553
hex9547698

156530328 has 32 divisors (see below), whose sum is σ = 394320960. Its totient is φ = 51777440.

The previous prime is 156530321. The next prime is 156530329. The reversal of 156530328 is 823035651.

156530328 is digitally balanced in base 3, 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 (156530321) 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 7 ways as a sum of consecutive naturals, for example, 21750 + ... + 28037.

It is an arithmetic number, because the mean of its divisors is an integer number (12322530).

Almost surely, 2156530328 is an apocalyptic number.

It is an amenable number.

156530328 is an abundant number, since it is smaller than the sum of its proper divisors (237790632).

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

156530328 is a wasteful number, since it uses less digits than its factorization.

156530328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49927 (or 49923 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 156530328 is about 12511.2080951441. The cubic root of 156530328 is about 538.9305858660.

Adding to 156530328 its reverse (823035651), we get a palindrome (979565979).

The spelling of 156530328 in words is "one hundred fifty-six million, five hundred thirty thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 131 262 393 524 786 1048 1572 3144 49787 99574 149361 199148 298722 398296 597444 1194888 6522097 13044194 19566291 26088388 39132582 52176776 78265164 156530328