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76628304 = 2432532141
BaseRepresentation
bin1001001000101…
…00000101010000
312100012010021100
410210110011100
5124104101204
611334224400
71620221064
oct444240520
9170163240
1076628304
113a288a85
12217b5100
1312b4c7bc
14a269aa4
156ad9a39
hex4914150

76628304 has 30 divisors (see below), whose sum is σ = 214453226. Its totient is φ = 25542720.

The previous prime is 76628297. The next prime is 76628309. The reversal of 76628304 is 40382667.

It can be written as a sum of positive squares in only one way, i.e., 50126400 + 26501904 = 7080^2 + 5148^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76628309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265927 + ... + 266214.

Almost surely, 276628304 is an apocalyptic number.

It is an amenable number.

76628304 is an abundant number, since it is smaller than the sum of its proper divisors (137824922).

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

76628304 is a wasteful number, since it uses less digits than its factorization.

76628304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532155 (or 532146 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 76628304 is about 8753.7594209574. The cubic root of 76628304 is about 424.7464305181.

The spelling of 76628304 in words is "seventy-six million, six hundred twenty-eight thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 532141 1064282 1596423 2128564 3192846 4257128 4789269 6385692 8514256 9578538 12771384 19157076 25542768 38314152 76628304