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158838056 = 23131527289
BaseRepresentation
bin10010111011110…
…10110100101000
3102001212210211222
421131322310220
5311130304211
623432241212
73636046466
oct1135726450
9361783758
10158838056
1181729423
1245240208
1326ba4920
1417149836
15de281db
hex977ad28

158838056 has 16 divisors (see below), whose sum is σ = 320730900. Its totient is φ = 73309824.

The previous prime is 158838041. The next prime is 158838067. The reversal of 158838056 is 650838851.

It can be written as a sum of positive squares in 2 ways, for example, as 132480100 + 26357956 = 11510^2 + 5134^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 158837998 and 158838016.

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, 763541 + ... + 763748.

Almost surely, 2158838056 is an apocalyptic number.

It is an amenable number.

158838056 is an abundant number, since it is smaller than the sum of its proper divisors (161892844).

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

158838056 is a wasteful number, since it uses less digits than its factorization.

158838056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527308 (or 1527304 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 158838056 is about 12603.0970796864. The cubic root of 158838056 is about 541.5661620024.

The spelling of 158838056 in words is "one hundred fifty-eight million, eight hundred thirty-eight thousand, fifty-six".

Divisors: 1 2 4 8 13 26 52 104 1527289 3054578 6109156 12218312 19854757 39709514 79419028 158838056