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45720607 = 64171327
BaseRepresentation
bin1010111001101…
…0010000011111
310012000211212211
42232122100133
543201024412
64311541251
71063422142
oct256322037
9105024784
1045720607
1123898629
121338a827
13961a61a
146102059
154031ca7
hex2b9a41f

45720607 has 4 divisors (see below), whose sum is σ = 45792576. Its totient is φ = 45648640.

The previous prime is 45720601. The next prime is 45720611. The reversal of 45720607 is 70602754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70602754 = 235301377.

It is a cyclic number.

It is not a de Polignac number, because 45720607 - 223 = 37331999 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45720601) 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, 35023 + ... + 36304.

It is an arithmetic number, because the mean of its divisors is an integer number (11448144).

Almost surely, 245720607 is an apocalyptic number.

45720607 is a deficient number, since it is larger than the sum of its proper divisors (71969).

45720607 is an equidigital number, since it uses as much as digits as its factorization.

45720607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71968.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 45720607 is about 6761.7014870519. The cubic root of 45720607 is about 357.5778942530.

The spelling of 45720607 in words is "forty-five million, seven hundred twenty thousand, six hundred seven".

Divisors: 1 641 71327 45720607