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390103490 = 2575572907
BaseRepresentation
bin10111010000001…
…000000111000010
31000012001022101102
4113100020013002
51244331302430
6102413134402
712444552650
oct2720100702
91005038342
10390103490
11190226587
12aa78a402
1362a87b8a
1439b49dd0
15243ab345
hex174081c2

390103490 has 16 divisors (see below), whose sum is σ = 802498752. Its totient is φ = 133749744.

The previous prime is 390103453. The next prime is 390103507. The reversal of 390103490 is 94301093.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2786384 + ... + 2786523.

It is an arithmetic number, because the mean of its divisors is an integer number (50156172).

Almost surely, 2390103490 is an apocalyptic number.

390103490 is an abundant number, since it is smaller than the sum of its proper divisors (412395262).

390103490 is a wasteful number, since it uses less digits than its factorization.

390103490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5572921.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 390103490 is about 19751.0376942580. The cubic root of 390103490 is about 730.6789767164.

The spelling of 390103490 in words is "three hundred ninety million, one hundred three thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 5572907 11145814 27864535 39010349 55729070 78020698 195051745 390103490