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86570074 = 2197219721
BaseRepresentation
bin1010010100011…
…11010001011010
320000220012211001
411022033101122
5134130220244
612331255214
72100555613
oct512172132
9200805731
1086570074
1144959418
1224baa50a
1314c209c6
14b6d6c0a
1579005d4
hex528f45a

86570074 has 8 divisors (see below), whose sum is σ = 130514868. Its totient is φ = 43065120.

The previous prime is 86570063. The next prime is 86570083. The reversal of 86570074 is 47007568.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83594449 + 2975625 = 9143^2 + 1725^2 .

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109467 + ... + 110254.

Almost surely, 286570074 is an apocalyptic number.

86570074 is a deficient number, since it is larger than the sum of its proper divisors (43944794).

86570074 is a wasteful number, since it uses less digits than its factorization.

86570074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219920.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 86570074 is about 9304.3040578003. The cubic root of 86570074 is about 442.3736628490.

The spelling of 86570074 in words is "eighty-six million, five hundred seventy thousand, seventy-four".

Divisors: 1 2 197 394 219721 439442 43285037 86570074