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158864046 = 231121271723
BaseRepresentation
bin10010111100000…
…01001010101110
3102001221010111120
421132001022232
5311132122141
623433001410
73636215325
oct1136011256
9361833446
10158864046
1181746a00
1245253266
1326bb36c3
14171550bc
15de30c66
hex97812ae

158864046 has 48 divisors (see below), whose sum is σ = 352192512. Its totient is φ = 47733840.

The previous prime is 158864039. The next prime is 158864047. The reversal of 158864046 is 640468851.

It is a super-2 number, since 2×1588640462 = 50475570222980232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 158863989 and 158864007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158864047) 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 23 ways as a sum of consecutive naturals, for example, 91341 + ... + 93063.

It is an arithmetic number, because the mean of its divisors is an integer number (7337344).

Almost surely, 2158864046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158864046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176096256).

158864046 is an abundant number, since it is smaller than the sum of its proper divisors (193328466).

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

158864046 is a wasteful number, since it uses less digits than its factorization.

158864046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877 (or 1866 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 158864046 is about 12604.1281332744. The cubic root of 158864046 is about 541.5956984524.

The spelling of 158864046 in words is "one hundred fifty-eight million, eight hundred sixty-four thousand, forty-six".

Divisors: 1 2 3 6 11 22 33 66 121 127 242 254 363 381 726 762 1397 1723 2794 3446 4191 5169 8382 10338 15367 18953 30734 37906 46101 56859 92202 113718 208483 218821 416966 437642 625449 656463 1250898 1312926 2407031 4814062 7221093 14442186 26477341 52954682 79432023 158864046