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392430434 = 211413371291
BaseRepresentation
bin10111011001000…
…000001101100010
31000100102112100112
4113121000031202
51300430233214
6102535051322
712503414024
oct2731001542
91010375315
10392430434
11191575880
12ab510b42
13633c1076
143a194014
15246baa3e
hex17640362

392430434 has 32 divisors (see below), whose sum is σ = 660284352. Its totient is φ = 173376000.

The previous prime is 392430421. The next prime is 392430469. The reversal of 392430434 is 434034293.

It is a self number, because there is not a number n which added to its sum of digits gives 392430434.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303329 + ... + 304619.

It is an arithmetic number, because the mean of its divisors is an integer number (20633886).

Almost surely, 2392430434 is an apocalyptic number.

392430434 is a deficient number, since it is larger than the sum of its proper divisors (267853918).

392430434 is a wasteful number, since it uses less digits than its factorization.

392430434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 392430434 is about 19809.8569909023. The cubic root of 392430434 is about 732.1289163989.

The spelling of 392430434 in words is "three hundred ninety-two million, four hundred thirty thousand, four hundred thirty-four".

Divisors: 1 2 11 22 41 82 337 451 674 902 1291 2582 3707 7414 13817 14201 27634 28402 52931 105862 151987 303974 435067 582241 870134 1164482 4785737 9571474 17837747 35675494 196215217 392430434