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158867152 = 2411387869
BaseRepresentation
bin10010111100000…
…01111011010000
3102001221021202121
421132001323100
5311132222102
623433024024
73636230353
oct1136017320
9361837677
10158867152
1181749274
1245255014
1326bb4c42
141715629a
15de31b37
hex9781ed0

158867152 has 20 divisors (see below), whose sum is σ = 310532580. Its totient is φ = 78729728.

The previous prime is 158867123. The next prime is 158867153. The reversal of 158867152 is 251768851.

It can be written as a sum of positive squares in 2 ways, for example, as 4511376 + 154355776 = 2124^2 + 12424^2 .

It is a super-2 number, since 2×1588671522 = 50477543969182208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 158867099 and 158867108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158867153) 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, 42127 + ... + 45742.

It is an arithmetic number, because the mean of its divisors is an integer number (15526629).

Almost surely, 2158867152 is an apocalyptic number.

It is an amenable number.

158867152 is a deficient number, since it is larger than the sum of its proper divisors (151665428).

158867152 is a wasteful number, since it uses less digits than its factorization.

158867152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87990 (or 87984 counting only the distinct ones).

The product of its digits is 134400, while the sum is 43.

The square root of 158867152 is about 12604.2513462720. The cubic root of 158867152 is about 541.5992280643.

The spelling of 158867152 in words is "one hundred fifty-eight million, eight hundred sixty-seven thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 113 226 452 904 1808 87869 175738 351476 702952 1405904 9929197 19858394 39716788 79433576 158867152