Search a number
-
+
5208717 = 31991381
BaseRepresentation
bin10011110111101010001101
3100210122000110
4103313222031
52313134332
6303350233
762162523
oct23675215
910718013
105208717
112a38428
1218b2379
131104aa7
14998313
156cd4cc
hex4f7a8d

5208717 has 8 divisors (see below), whose sum is σ = 7310560. Its totient is φ = 3289680.

The previous prime is 5208701. The next prime is 5208727. The reversal of 5208717 is 7178025.

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 5208717 - 24 = 5208701 is a prime.

It is a Duffinian number.

5208717 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5208727) 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, 45634 + ... + 45747.

It is an arithmetic number, because the mean of its divisors is an integer number (913820).

Almost surely, 25208717 is an apocalyptic number.

5208717 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

5208717 is a deficient number, since it is larger than the sum of its proper divisors (2101843).

5208717 is a wasteful number, since it uses less digits than its factorization.

5208717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91403.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 5208717 is about 2282.2613785454. The cubic root of 5208717 is about 173.3445747969.

The spelling of 5208717 in words is "five million, two hundred eight thousand, seven hundred seventeen".

Divisors: 1 3 19 57 91381 274143 1736239 5208717