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76420085 = 572183431
BaseRepresentation
bin1001000111000…
…01001111110101
312022210112122112
410203201033311
5124030420320
611325540405
71615363040
oct443411765
9168715575
1076420085
113a1565a5
1221714705
1312aa8ab1
14a213c57
156a97ec5
hex48e13f5

76420085 has 8 divisors (see below), whose sum is σ = 104804736. Its totient is φ = 52402320.

The previous prime is 76420079. The next prime is 76420121. The reversal of 76420085 is 58002467.

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

It is not a de Polignac number, because 76420085 - 26 = 76420021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091681 + ... + 1091750.

It is an arithmetic number, because the mean of its divisors is an integer number (13100592).

Almost surely, 276420085 is an apocalyptic number.

It is an amenable number.

76420085 is a deficient number, since it is larger than the sum of its proper divisors (28384651).

76420085 is a wasteful number, since it uses less digits than its factorization.

76420085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183443.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 76420085 is about 8741.8582120737. The cubic root of 76420085 is about 424.3613660854.

The spelling of 76420085 in words is "seventy-six million, four hundred twenty thousand, eighty-five".

Divisors: 1 5 7 35 2183431 10917155 15284017 76420085