Search a number
-
+
45045107 = 208921563
BaseRepresentation
bin1010101111010…
…1010101110011
310010202112021022
42223311111303
543012420412
64245250055
71054606562
oct253652563
9103675238
1045045107
1123477068
121310392b
139442013
145da7bd9
153e4ba72
hex2af5573

45045107 has 4 divisors (see below), whose sum is σ = 45068760. Its totient is φ = 45021456.

The previous prime is 45045097. The next prime is 45045127. The reversal of 45045107 is 70154054.

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 45045107 - 212 = 45041011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45045127) 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, 8693 + ... + 12870.

It is an arithmetic number, because the mean of its divisors is an integer number (11267190).

Almost surely, 245045107 is an apocalyptic number.

45045107 is a deficient number, since it is larger than the sum of its proper divisors (23653).

45045107 is a wasteful number, since it uses less digits than its factorization.

45045107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23652.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 45045107 is about 6711.5651676788. The cubic root of 45045107 is about 355.8081357888.

The spelling of 45045107 in words is "forty-five million, forty-five thousand, one hundred seven".

Divisors: 1 2089 21563 45045107