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76990475 = 523079619
BaseRepresentation
bin1001001011011…
…00100000001011
312100212112002002
410211230200023
5124202143400
611350101215
71623260012
oct445544013
9170775062
1076990475
113a5060a1
122194a80b
1312c485c3
14a321a79
156b5bed5
hex496c80b

76990475 has 6 divisors (see below), whose sum is σ = 95468220. Its totient is φ = 61592360.

The previous prime is 76990421. The next prime is 76990493. The reversal of 76990475 is 57409967.

It is not a de Polignac number, because 76990475 - 26 = 76990411 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 1539785 + ... + 1539834.

It is an arithmetic number, because the mean of its divisors is an integer number (15911370).

Almost surely, 276990475 is an apocalyptic number.

76990475 is a deficient number, since it is larger than the sum of its proper divisors (18477745).

76990475 is a wasteful number, since it uses less digits than its factorization.

76990475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079629 (or 3079624 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 76990475 is about 8774.4216333614. The cubic root of 76990475 is about 425.4145436209.

The spelling of 76990475 in words is "seventy-six million, nine hundred ninety thousand, four hundred seventy-five".

Divisors: 1 5 25 3079619 15398095 76990475