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158308068 = 22313192339
BaseRepresentation
bin10010110111110…
…01011011100100
3102000212212211210
421123321123210
5311011324233
623413031420
73631411362
oct1133713344
9360785753
10158308068
11813a7216
1245025570
1326a4a619
141704c632
15dd71163
hex96f96e4

158308068 has 12 divisors (see below), whose sum is σ = 369385520. Its totient is φ = 52769352.

The previous prime is 158308043. The next prime is 158308091. The reversal of 158308068 is 860803851.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1583080682 = 50122888787785248, which contains 22 as substring.

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, 6596158 + ... + 6596181.

Almost surely, 2158308068 is an apocalyptic number.

It is an amenable number.

158308068 is an abundant number, since it is smaller than the sum of its proper divisors (211077452).

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

158308068 is a wasteful number, since it uses less digits than its factorization.

158308068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13192346 (or 13192344 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 158308068 is about 12582.0534095194. The cubic root of 158308068 is about 540.9631507753.

The spelling of 158308068 in words is "one hundred fifty-eight million, three hundred eight thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 13192339 26384678 39577017 52769356 79154034 158308068