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5031897 = 313129023
BaseRepresentation
bin10011001100011111011001
3100110122110120
4103030133121
52242010042
6255503453
760525153
oct23143731
910418416
105031897
1129275a2
121827b89
131072470
1494dad3
15695dec
hex4cc7d9

5031897 has 8 divisors (see below), whose sum is σ = 7225344. Its totient is φ = 3096528.

The previous prime is 5031863. The next prime is 5031899. The reversal of 5031897 is 7981305.

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

It is not a de Polignac number, because 5031897 - 26 = 5031833 is a prime.

5031897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5031899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64473 + ... + 64550.

It is an arithmetic number, because the mean of its divisors is an integer number (903168).

Almost surely, 25031897 is an apocalyptic number.

It is an amenable number.

5031897 is a deficient number, since it is larger than the sum of its proper divisors (2193447).

5031897 is a wasteful number, since it uses less digits than its factorization.

5031897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129039.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 5031897 is about 2243.1890245809. The cubic root of 5031897 is about 171.3604448543.

The spelling of 5031897 in words is "five million, thirty-one thousand, eight hundred ninety-seven".

Divisors: 1 3 13 39 129023 387069 1677299 5031897