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5306945 = 57221661
BaseRepresentation
bin10100001111101001000001
3100222121202112
4110033221001
52324310240
6305425105
763052100
oct24175101
910877675
105306945
112aa5206
12193b195
13113a707
149c2037
156ec665
hex50fa41

5306945 has 12 divisors (see below), whose sum is σ = 7408404. Its totient is φ = 3638880.

The previous prime is 5306929. The next prime is 5306953. The reversal of 5306945 is 5496035.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1787569 + 3519376 = 1337^2 + 1876^2 .

It is not a de Polignac number, because 5306945 - 24 = 5306929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10586 + ... + 11075.

It is an arithmetic number, because the mean of its divisors is an integer number (617367).

Almost surely, 25306945 is an apocalyptic number.

It is an amenable number.

5306945 is a deficient number, since it is larger than the sum of its proper divisors (2101459).

5306945 is a wasteful number, since it uses less digits than its factorization.

5306945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21680 (or 21673 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 5306945 is about 2303.6807504513. The cubic root of 5306945 is about 174.4274622361.

The spelling of 5306945 in words is "five million, three hundred six thousand, nine hundred forty-five".

Divisors: 1 5 7 35 49 245 21661 108305 151627 758135 1061389 5306945