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500164087 = 569879023
BaseRepresentation
bin11101110011111…
…110010111110111
31021212010222010211
4131303332113313
52011020222322
6121344130251
715252216223
oct3563762767
91255128124
10500164087
11237369755
1211b606987
137c8119a7
144a5d9783
152dd9bb77
hex1dcfe5f7

500164087 has 4 divisors (see below), whose sum is σ = 501043680. Its totient is φ = 499284496.

The previous prime is 500164081. The next prime is 500164109. The reversal of 500164087 is 780461005.

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 500164087 - 27 = 500163959 is a prime.

It is a super-2 number, since 2×5001640872 = 500328227849087138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500164081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438943 + ... + 440080.

It is an arithmetic number, because the mean of its divisors is an integer number (125260920).

Almost surely, 2500164087 is an apocalyptic number.

500164087 is a deficient number, since it is larger than the sum of its proper divisors (879593).

500164087 is an equidigital number, since it uses as much as digits as its factorization.

500164087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879592.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 500164087 is about 22364.3485708840. The cubic root of 500164087 is about 793.7873404468.

The spelling of 500164087 in words is "five hundred million, one hundred sixty-four thousand, eighty-seven".

Divisors: 1 569 879023 500164087