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392470429 = 13191263601
BaseRepresentation
bin10111011001001…
…001111110011101
31000100111120012211
4113121021332131
51300433023204
6102540000421
712503641441
oct2731117635
91010446184
10392470429
111915a292a
12ab530111
1363406330
143a1a4821
15246c7804
hex17649f9d

392470429 has 16 divisors (see below), whose sum is σ = 427198464. Its totient is φ = 358416000.

The previous prime is 392470423. The next prime is 392470457. The reversal of 392470429 is 924074293.

It is a cyclic number.

It is not a de Polignac number, because 392470429 - 211 = 392468381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 392470391 and 392470400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392470423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652729 + ... + 653329.

It is an arithmetic number, because the mean of its divisors is an integer number (26699904).

Almost surely, 2392470429 is an apocalyptic number.

It is an amenable number.

392470429 is a deficient number, since it is larger than the sum of its proper divisors (34728035).

392470429 is a wasteful number, since it uses less digits than its factorization.

392470429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 392470429 is about 19810.8664373873. The cubic root of 392470429 is about 732.1537874748.

The spelling of 392470429 in words is "three hundred ninety-two million, four hundred seventy thousand, four hundred twenty-nine".

Divisors: 1 13 191 263 601 2483 3419 7813 50233 114791 158063 653029 1492283 2054819 30190033 392470429