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390293529 = 31676531193
BaseRepresentation
bin10111010000110…
…110100000011001
31000012101222001220
4113100312200121
51244403343104
6102421202253
712446304003
oct2720664031
91005358056
10390293529
1119034633a
12aa860389
1362b23522
1439b99373
15243e77d9
hex17436819

390293529 has 16 divisors (see below), whose sum is σ = 524748672. Its totient is φ = 258025088.

The previous prime is 390293489. The next prime is 390293587. The reversal of 390293529 is 925392093.

It is a cyclic number.

It is not a de Polignac number, because 390293529 - 219 = 389769241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (390297529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326557 + ... + 327749.

It is an arithmetic number, because the mean of its divisors is an integer number (32796792).

Almost surely, 2390293529 is an apocalyptic number.

It is an amenable number.

390293529 is a deficient number, since it is larger than the sum of its proper divisors (134455143).

390293529 is a wasteful number, since it uses less digits than its factorization.

390293529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016.

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 390293529 is about 19755.8479696519. The cubic root of 390293529 is about 730.7976075956.

The spelling of 390293529 in words is "three hundred ninety million, two hundred ninety-three thousand, five hundred twenty-nine".

Divisors: 1 3 167 501 653 1193 1959 3579 109051 199231 327153 597693 779029 2337087 130097843 390293529