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70264487 = 587119701
BaseRepresentation
bin1000011000000…
…10011010100111
311220012210202102
410030002122213
5120441430422
610550002315
71512144506
oct414023247
9156183672
1070264487
1136731827
121b64639b
1311732027
14949083d
15627e192
hex43026a7

70264487 has 4 divisors (see below), whose sum is σ = 70384776. Its totient is φ = 70144200.

The previous prime is 70264463. The next prime is 70264501. The reversal of 70264487 is 78446207.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70264487 - 214 = 70248103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70264487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70264427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 59264 + ... + 60437.

It is an arithmetic number, because the mean of its divisors is an integer number (17596194).

Almost surely, 270264487 is an apocalyptic number.

70264487 is a deficient number, since it is larger than the sum of its proper divisors (120289).

70264487 is a wasteful number, since it uses less digits than its factorization.

70264487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120288.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 70264487 is about 8382.3914845347. The cubic root of 70264487 is about 412.6469377965.

The spelling of 70264487 in words is "seventy million, two hundred sixty-four thousand, four hundred eighty-seven".

Divisors: 1 587 119701 70264487