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306158142 = 23372713691
BaseRepresentation
bin10010001111111…
…001101000111110
3210100002110000110
4102033321220332
51111334030032
650214010450
710405205223
oct2217715076
9710073013
10306158142
11147900164
1286646a26
134b575a84
142c93794a
151bd287cc
hex123f9a3e

306158142 has 16 divisors (see below), whose sum is σ = 612525312. Its totient is φ = 102017880.

The previous prime is 306158123. The next prime is 306158179. The reversal of 306158142 is 241851603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15517 + ... + 29207.

It is an arithmetic number, because the mean of its divisors is an integer number (38282832).

Almost surely, 2306158142 is an apocalyptic number.

306158142 is an abundant number, since it is smaller than the sum of its proper divisors (306367170).

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

306158142 is a wasteful number, since it uses less digits than its factorization.

306158142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17423.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 306158142 is about 17497.3752888826. The cubic root of 306158142 is about 673.9824756896.

The spelling of 306158142 in words is "three hundred six million, one hundred fifty-eight thousand, one hundred forty-two".

Divisors: 1 2 3 6 3727 7454 11181 13691 22362 27382 41073 82146 51026357 102052714 153079071 306158142