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5208031 = 31433907
BaseRepresentation
bin10011110111011111011111
3100210121002001
4103313133133
52313124111
6303343131
762160523
oct23673737
910717061
105208031
112a37964
1218b1aa7
13110469a
14997d83
156cd1c1
hex4f77df

5208031 has 8 divisors (see below), whose sum is σ = 5502464. Its totient is φ = 4921560.

The previous prime is 5207981. The next prime is 5208041. The reversal of 5208031 is 1308025.

It is a happy number.

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

It is not a de Polignac number, because 5208031 - 29 = 5207519 is a prime.

It is a super-2 number, since 2×52080312 = 54247173793922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5208041) 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, 621 + ... + 3286.

It is an arithmetic number, because the mean of its divisors is an integer number (687808).

Almost surely, 25208031 is an apocalyptic number.

5208031 is a deficient number, since it is larger than the sum of its proper divisors (294433).

5208031 is a wasteful number, since it uses less digits than its factorization.

5208031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 5208031 is about 2282.1110840623. Note that the first 3 decimals coincide. The cubic root of 5208031 is about 173.3369645032.

The spelling of 5208031 in words is "five million, two hundred eight thousand, thirty-one".

Divisors: 1 31 43 1333 3907 121117 168001 5208031