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45664071 = 315221357
BaseRepresentation
bin1010111000110…
…0011101000111
310011220222022220
42232030131013
543142222241
64310423423
71063065255
oct256143507
9104828286
1045664071
112385a102
1213361b73
1395ca97b
1460c95d5
154020166
hex2b8c747

45664071 has 4 divisors (see below), whose sum is σ = 60885432. Its totient is φ = 30442712.

The previous prime is 45664063. The next prime is 45664079. The reversal of 45664071 is 17046654.

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

It is an interprime number because it is at equal distance from previous prime (45664063) and next prime (45664079).

It is a cyclic number.

It is not a de Polignac number, because 45664071 - 23 = 45664063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45664079) 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, 7610676 + ... + 7610681.

It is an arithmetic number, because the mean of its divisors is an integer number (15221358).

Almost surely, 245664071 is an apocalyptic number.

45664071 is a deficient number, since it is larger than the sum of its proper divisors (15221361).

45664071 is a wasteful number, since it uses less digits than its factorization.

45664071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15221360.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 45664071 is about 6757.5195893168. The cubic root of 45664071 is about 357.4304453336.

The spelling of 45664071 in words is "forty-five million, six hundred sixty-four thousand, seventy-one".

Divisors: 1 3 15221357 45664071