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156224404 = 2275579443
BaseRepresentation
bin10010100111111…
…00101110010100
3101212222000121001
421103330232110
5304443140104
623300233044
73604612510
oct1123745624
9355860531
10156224404
1180203786
124439b784
132649b09b
1416a69140
15daadaa4
hex94fcb94

156224404 has 12 divisors (see below), whose sum is σ = 312448864. Its totient is φ = 66953304.

The previous prime is 156224371. The next prime is 156224437. The reversal of 156224404 is 404422651.

156224404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (156224371) and next prime (156224437).

156224404 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 5579443 = 156224404 / (1 + 5 + 6 + 2 + 2 + 4 + 4 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2789694 + ... + 2789749.

Almost surely, 2156224404 is an apocalyptic number.

156224404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

156224404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

156224404 is a wasteful number, since it uses less digits than its factorization.

156224404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5579454 (or 5579452 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 156224404 is about 12498.9761180666. The cubic root of 156224404 is about 538.5792602830.

The spelling of 156224404 in words is "one hundred fifty-six million, two hundred twenty-four thousand, four hundred four".

Divisors: 1 2 4 7 14 28 5579443 11158886 22317772 39056101 78112202 156224404