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345812568 = 23314408857
BaseRepresentation
bin10100100111001…
…010111001011000
3220002201002122220
4110213022321120
51202012000233
654151544040
711366233623
oct2447127130
9802632586
10345812568
11168225112
129798b020
135684b22a
1433cdadba
152055ceb3
hex149cae58

345812568 has 16 divisors (see below), whose sum is σ = 864531480. Its totient is φ = 115270848.

The previous prime is 345812561. The next prime is 345812591. The reversal of 345812568 is 865218543.

It is a super-3 number, since 3×3458125683 (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345812561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7204405 + ... + 7204452.

Almost surely, 2345812568 is an apocalyptic number.

It is an amenable number.

345812568 is an abundant number, since it is smaller than the sum of its proper divisors (518718912).

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

345812568 is a wasteful number, since it uses less digits than its factorization.

345812568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14408866 (or 14408862 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 345812568 is about 18596.0363518681. The cubic root of 345812568 is about 701.9081056001.

The spelling of 345812568 in words is "three hundred forty-five million, eight hundred twelve thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 14408857 28817714 43226571 57635428 86453142 115270856 172906284 345812568