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76520697 = 3112318809
BaseRepresentation
bin1001000111110…
…01110011111001
312022222122122220
410203321303321
5124042130242
611332034253
71616262261
oct443716371
9168878586
1076520697
113a215150
1221762989
1312b12826
14a23c7a1
156ab7bec
hex48f9cf9

76520697 has 8 divisors (see below), whose sum is σ = 111302880. Its totient is φ = 46376160.

The previous prime is 76520669. The next prime is 76520737. The reversal of 76520697 is 79602567.

It is a happy number.

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

It is not a de Polignac number, because 76520697 - 210 = 76519673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76520597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159372 + ... + 1159437.

It is an arithmetic number, because the mean of its divisors is an integer number (13912860).

Almost surely, 276520697 is an apocalyptic number.

It is an amenable number.

76520697 is a deficient number, since it is larger than the sum of its proper divisors (34782183).

76520697 is a wasteful number, since it uses less digits than its factorization.

76520697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318823.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 76520697 is about 8747.6109309914. The cubic root of 76520697 is about 424.5475175061.

The spelling of 76520697 in words is "seventy-six million, five hundred twenty thousand, six hundred ninety-seven".

Divisors: 1 3 11 33 2318809 6956427 25506899 76520697