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76398804 = 22322122189
BaseRepresentation
bin1001000110111…
…00000011010100
312022202110110100
410203130003110
5124024230204
611325254100
71615244016
oct443340324
9168673410
1076398804
113a141609
1221704330
1312a9c1c1
14a20a1b6
156a91a39
hex48dc0d4

76398804 has 18 divisors (see below), whose sum is σ = 193119290. Its totient is φ = 25466256.

The previous prime is 76398797. The next prime is 76398853. The reversal of 76398804 is 40889367.

It is a happy number.

76398804 is a `hidden beast` number, since 7 + 639 + 8 + 8 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 59259204 + 17139600 = 7698^2 + 4140^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 76398804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1061059 + ... + 1061130.

Almost surely, 276398804 is an apocalyptic number.

It is an amenable number.

76398804 is an abundant number, since it is smaller than the sum of its proper divisors (116720486).

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

76398804 is a wasteful number, since it uses less digits than its factorization.

76398804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122199 (or 2122194 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 76398804 is about 8740.6409375972. The cubic root of 76398804 is about 424.3219712385.

The spelling of 76398804 in words is "seventy-six million, three hundred ninety-eight thousand, eight hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 2122189 4244378 6366567 8488756 12733134 19099701 25466268 38199402 76398804