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390342996 = 22334398233
BaseRepresentation
bin10111010001000…
…010100101010100
31000012111110221000
4113101002211110
51244411433441
6102422223300
712446601141
oct2721024524
91005443830
10390342996
1119037a51a
12aa884b30
1362b3cbb4
1439bad3c8
15244072b6
hex17442954

390342996 has 48 divisors (see below), whose sum is σ = 1014428800. Its totient is φ = 129802176.

The previous prime is 390342937. The next prime is 390343013. The reversal of 390342996 is 699243093.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 43296 + ... + 51528.

Almost surely, 2390342996 is an apocalyptic number.

390342996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

390342996 is an abundant number, since it is smaller than the sum of its proper divisors (624085804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390342996 is a wasteful number, since it uses less digits than its factorization.

390342996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8685 (or 8677 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 45.

The square root of 390342996 is about 19757.0998883946. The cubic root of 390342996 is about 730.8284808020.

The spelling of 390342996 in words is "three hundred ninety million, three hundred forty-two thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 439 878 1317 1756 2634 3951 5268 7902 8233 11853 15804 16466 23706 24699 32932 47412 49398 74097 98796 148194 222291 296388 444582 889164 3614287 7228574 10842861 14457148 21685722 32528583 43371444 65057166 97585749 130114332 195171498 390342996