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156213112 = 23113747977
BaseRepresentation
bin10010100111110…
…01111101111000
3101212221110002211
421103321331320
5304442304422
623300104504
73604534546
oct1123717570
9355843084
10156213112
11801a6250
1244395134
1326495bc3
1416a64d96
15daaa577
hex94f9f78

156213112 has 32 divisors (see below), whose sum is σ = 328169520. Its totient is φ = 69085440.

The previous prime is 156213107. The next prime is 156213143. The reversal of 156213112 is 211312651.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20733 + ... + 27244.

Almost surely, 2156213112 is an apocalyptic number.

It is an amenable number.

156213112 is an abundant number, since it is smaller than the sum of its proper divisors (171956408).

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

156213112 is a wasteful number, since it uses less digits than its factorization.

156213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48031 (or 48027 counting only the distinct ones).

The product of its digits is 360, while the sum is 22.

The square root of 156213112 is about 12498.5243929033. The cubic root of 156213112 is about 538.5662836857.

Adding to 156213112 its reverse (211312651), we get a palindrome (367525763).

The spelling of 156213112 in words is "one hundred fifty-six million, two hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 37 44 74 88 148 296 407 814 1628 3256 47977 95954 191908 383816 527747 1055494 1775149 2110988 3550298 4221976 7100596 14201192 19526639 39053278 78106556 156213112