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45507863 = 157289859
BaseRepresentation
bin1010110110011…
…0010100010111
310011122001001102
42231212110113
543122222423
64303220315
71061544662
oct255462427
9104561042
1045507863
1123762805
12132a769b
13957483b
1460886d9
153eddc28
hex2b66517

45507863 has 4 divisors (see below), whose sum is σ = 45797880. Its totient is φ = 45217848.

The previous prime is 45507859. The next prime is 45507883. The reversal of 45507863 is 36870554.

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 45507863 - 22 = 45507859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45507883) 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, 144773 + ... + 145086.

It is an arithmetic number, because the mean of its divisors is an integer number (11449470).

Almost surely, 245507863 is an apocalyptic number.

45507863 is a deficient number, since it is larger than the sum of its proper divisors (290017).

45507863 is a wasteful number, since it uses less digits than its factorization.

45507863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290016.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 45507863 is about 6745.9516007751. The cubic root of 45507863 is about 357.0224127873.

The spelling of 45507863 in words is "forty-five million, five hundred seven thousand, eight hundred sixty-three".

Divisors: 1 157 289859 45507863