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76928904 = 23321382189
BaseRepresentation
bin1001001010111…
…01011110001000
312100202101121200
410211131132020
5124143211104
611344504200
71622612343
oct445353610
9170671550
1076928904
113a473908
122191b060
1312c26580
14a30745a
156b48b39
hex495d788

76928904 has 48 divisors (see below), whose sum is σ = 224378700. Its totient is φ = 23670144.

The previous prime is 76928903. The next prime is 76928921. The reversal of 76928904 is 40982967.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 72080100 + 4848804 = 8490^2 + 2202^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 76928904.

It is not an unprimeable number, because it can be changed into a prime (76928903) 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 11 ways as a sum of consecutive naturals, for example, 40159 + ... + 42030.

Almost surely, 276928904 is an apocalyptic number.

It is an amenable number.

76928904 is an abundant number, since it is smaller than the sum of its proper divisors (147449796).

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

76928904 is a wasteful number, since it uses less digits than its factorization.

76928904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82214 (or 82207 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 76928904 is about 8770.9123812748. The cubic root of 76928904 is about 425.3011088772.

The spelling of 76928904 in words is "seventy-six million, nine hundred twenty-eight thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 234 312 468 936 82189 164378 246567 328756 493134 657512 739701 986268 1068457 1479402 1972536 2136914 2958804 3205371 4273828 5917608 6410742 8547656 9616113 12821484 19232226 25642968 38464452 76928904