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392542764 = 22332711897
BaseRepresentation
bin10111011001011…
…011101000101100
31000100122020102220
4113121123220230
51300442332024
6102541315340
712504362355
oct2731335054
91010566386
10392542764
11191642209
12ab565b50
1363430233
143a1c2d2c
15246dde79
hex1765ba2c

392542764 has 12 divisors (see below), whose sum is σ = 915933144. Its totient is φ = 130847584.

The previous prime is 392542727. The next prime is 392542769. The reversal of 392542764 is 467245293.

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

It is a super-3 number, since 3×3925427643 (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (392542769) 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, 16355937 + ... + 16355960.

It is an arithmetic number, because the mean of its divisors is an integer number (76327762).

Almost surely, 2392542764 is an apocalyptic number.

It is an amenable number.

392542764 is an abundant number, since it is smaller than the sum of its proper divisors (523390380).

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

392542764 is a wasteful number, since it uses less digits than its factorization.

392542764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32711904 (or 32711902 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 392542764 is about 19812.6919927606. The cubic root of 392542764 is about 732.1987650383.

The spelling of 392542764 in words is "three hundred ninety-two million, five hundred forty-two thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 32711897 65423794 98135691 130847588 196271382 392542764