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5172912 = 243235923
BaseRepresentation
bin10011101110111010110000
3100201210220100
4103232322300
52311013122
6302512400
761653243
oct23567260
910653810
105172912
112a13538
121895700
1310c16c4
1498925a
156c2aac
hex4eeeb0

5172912 has 30 divisors (see below), whose sum is σ = 14477372. Its totient is φ = 1724256.

The previous prime is 5172901. The next prime is 5172919. The reversal of 5172912 is 2192715.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5172919) 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 5 ways as a sum of consecutive naturals, for example, 17818 + ... + 18105.

Almost surely, 25172912 is an apocalyptic number.

It is an amenable number.

5172912 is an abundant number, since it is smaller than the sum of its proper divisors (9304460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5172912 is a wasteful number, since it uses less digits than its factorization.

5172912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35937 (or 35928 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 5172912 is about 2274.4036581047. The cubic root of 5172912 is about 172.9464678947.

It can be divided in two parts, 5172 and 912, that added together give a square (6084 = 782).

The spelling of 5172912 in words is "five million, one hundred seventy-two thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 35923 71846 107769 143692 215538 287384 323307 431076 574768 646614 862152 1293228 1724304 2586456 5172912