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156285113 = 167935839
BaseRepresentation
bin10010101000010…
…11100010111001
3101220002002212112
421110023202321
5310002110423
623301422105
73605254505
oct1124134271
9356062775
10156285113
1180245356
124440a935
13264bc8ca
1416a83305
15dac1a78
hex950b8b9

156285113 has 4 divisors (see below), whose sum is σ = 157221120. Its totient is φ = 155349108.

The previous prime is 156285061. The next prime is 156285137. The reversal of 156285113 is 311582651.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311582651 = 769405179.

It is a cyclic number.

It is not a de Polignac number, because 156285113 - 214 = 156268729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 156285113.

It is not an unprimeable number, because it can be changed into a prime (156285193) 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 3 ways as a sum of consecutive naturals, for example, 467753 + ... + 468086.

It is an arithmetic number, because the mean of its divisors is an integer number (39305280).

Almost surely, 2156285113 is an apocalyptic number.

It is an amenable number.

156285113 is a deficient number, since it is larger than the sum of its proper divisors (936007).

156285113 is an equidigital number, since it uses as much as digits as its factorization.

156285113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936006.

The product of its digits is 7200, while the sum is 32.

The square root of 156285113 is about 12501.4044411018. The cubic root of 156285113 is about 538.6490154409.

The spelling of 156285113 in words is "one hundred fifty-six million, two hundred eighty-five thousand, one hundred thirteen".

Divisors: 1 167 935839 156285113