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5318013 = 31919281
BaseRepresentation
bin10100010010010101111101
3101000011221110
4110102111331
52330134023
6305552233
763126261
oct24222575
911004843
105318013
113002558
121945679
13114276c
149c60a1
15700a93
hex51257d

5318013 has 8 divisors (see below), whose sum is σ = 7128576. Its totient is φ = 3526400.

The previous prime is 5317999. The next prime is 5318023. The reversal of 5318013 is 3108135.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5318013 - 24 = 5317997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5318023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4068 + ... + 5213.

It is an arithmetic number, because the mean of its divisors is an integer number (891072).

Almost surely, 25318013 is an apocalyptic number.

It is an amenable number.

5318013 is a deficient number, since it is larger than the sum of its proper divisors (1810563).

5318013 is a wasteful number, since it uses less digits than its factorization.

5318013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9475.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 5318013 is about 2306.0817418296. The cubic root of 5318013 is about 174.5486382044.

The spelling of 5318013 in words is "five million, three hundred eighteen thousand, thirteen".

Divisors: 1 3 191 573 9281 27843 1772671 5318013