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76799997 = 328533333
BaseRepresentation
bin1001001001111…
…01111111111101
312100111211210100
410210331333331
5124130044442
611342031313
71621534461
oct444757775
9170454710
1076799997
113a395a7a
1221878539
1312bac9b1
14a2b24a1
156b2084c
hex493dffd

76799997 has 6 divisors (see below), whose sum is σ = 110933342. Its totient is φ = 51199992.

The previous prime is 76799971. The next prime is 76800001. The reversal of 76799997 is 79999767.

It can be written as a sum of positive squares in only one way, i.e., 50851161 + 25948836 = 7131^2 + 5094^2 .

It is not a de Polignac number, because 76799997 - 211 = 76797949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76795997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4266658 + ... + 4266675.

Almost surely, 276799997 is an apocalyptic number.

It is an amenable number.

76799997 is a deficient number, since it is larger than the sum of its proper divisors (34133345).

76799997 is a wasteful number, since it uses less digits than its factorization.

76799997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8533339 (or 8533336 counting only the distinct ones).

The product of its digits is 13502538, while the sum is 63.

The square root of 76799997 is about 8763.5607489194. The cubic root of 76799997 is about 425.0634221384.

The spelling of 76799997 in words is "seventy-six million, seven hundred ninety-nine thousand, nine hundred ninety-seven".

Divisors: 1 3 9 8533333 25599999 76799997