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392018942 = 2728001353
BaseRepresentation
bin10111010111011…
…011101111111110
31000022122121220002
4113113123233332
51300324101232
6102522154302
712500051240
oct2727335776
91008577802
10392018942
111913146a7
12ab352992
13632a8993
143a0c8090
1524638b62
hex175dbbfe

392018942 has 8 divisors (see below), whose sum is σ = 672032496. Its totient is φ = 168008112.

The previous prime is 392018911. The next prime is 392018953. The reversal of 392018942 is 249810293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 392018896 and 392018905.

It is a congruent number.

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, 14000663 + ... + 14000690.

It is an arithmetic number, because the mean of its divisors is an integer number (84004062).

Almost surely, 2392018942 is an apocalyptic number.

392018942 is a deficient number, since it is larger than the sum of its proper divisors (280013554).

392018942 is a wasteful number, since it uses less digits than its factorization.

392018942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28001362.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 392018942 is about 19799.4682251822. The cubic root of 392018942 is about 731.8729300067.

The spelling of 392018942 in words is "three hundred ninety-two million, eighteen thousand, nine hundred forty-two".

Divisors: 1 2 7 14 28001353 56002706 196009471 392018942