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76880770 = 257688077
BaseRepresentation
bin1001001010100…
…01101110000010
312100122221120221
410211101232002
5124140141040
611343453254
71622322121
oct445215602
9170587527
1076880770
113a44072a
12218b722a
1312c0a6a5
14a2d3ab8
156b3974a
hex4951b82

76880770 has 8 divisors (see below), whose sum is σ = 138385404. Its totient is φ = 30752304.

The previous prime is 76880759. The next prime is 76880807. The reversal of 76880770 is 7708867.

It can be written as a sum of positive squares in 2 ways, for example, as 76790169 + 90601 = 8763^2 + 301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 3844029 + ... + 3844048.

Almost surely, 276880770 is an apocalyptic number.

76880770 is a deficient number, since it is larger than the sum of its proper divisors (61504634).

76880770 is a wasteful number, since it uses less digits than its factorization.

76880770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7688084.

The product of its (nonzero) digits is 131712, while the sum is 43.

The square root of 76880770 is about 8768.1679956534. The cubic root of 76880770 is about 425.2123875011.

The spelling of 76880770 in words is "seventy-six million, eight hundred eighty thousand, seven hundred seventy".

Divisors: 1 2 5 10 7688077 15376154 38440385 76880770