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76810828 = 22171129571
BaseRepresentation
bin1001001010000…
…00101001001100
312100112101122111
410211000221030
5124130421303
611342153404
71621611163
oct445005114
9170471574
1076810828
113a3a3126
1221882864
1312bb48c3
14a2b63da
156b23b6d
hex4940a4c

76810828 has 12 divisors (see below), whose sum is σ = 142326072. Its totient is φ = 36146240.

The previous prime is 76810813. The next prime is 76810871. The reversal of 76810828 is 82801867.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564718 + ... + 564853.

It is an arithmetic number, because the mean of its divisors is an integer number (11860506).

Almost surely, 276810828 is an apocalyptic number.

It is an amenable number.

76810828 is a deficient number, since it is larger than the sum of its proper divisors (65515244).

76810828 is a wasteful number, since it uses less digits than its factorization.

76810828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129592 (or 1129590 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 76810828 is about 8764.1786837102. The cubic root of 76810828 is about 425.0834032395.

The spelling of 76810828 in words is "seventy-six million, eight hundred ten thousand, eight hundred twenty-eight".

Divisors: 1 2 4 17 34 68 1129571 2259142 4518284 19202707 38405414 76810828