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5172392 = 23646549
BaseRepresentation
bin10011101110110010101000
3100201210012002
4103232302220
52311004032
6302510132
761651601
oct23566250
910653162
105172392
112a13105
121895348
1310c13b4
14988da8
156c2862
hex4eeca8

5172392 has 8 divisors (see below), whose sum is σ = 9698250. Its totient is φ = 2586192.

The previous prime is 5172383. The next prime is 5172407. The reversal of 5172392 is 2932715.

It can be written as a sum of positive squares in only one way, i.e., 5134756 + 37636 = 2266^2 + 194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323267 + ... + 323282.

Almost surely, 25172392 is an apocalyptic number.

It is an amenable number.

5172392 is a deficient number, since it is larger than the sum of its proper divisors (4525858).

5172392 is a wasteful number, since it uses less digits than its factorization.

5172392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646555 (or 646551 counting only the distinct ones).

The product of its digits is 3780, while the sum is 29.

The square root of 5172392 is about 2274.2893395520. The cubic root of 5172392 is about 172.9406726304.

It can be divided in two parts, 51723 and 92, that added together give a palindrome (51815).

The spelling of 5172392 in words is "five million, one hundred seventy-two thousand, three hundred ninety-two".

Divisors: 1 2 4 8 646549 1293098 2586196 5172392