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52756172 = 2273160779
BaseRepresentation
bin1100100100111…
…1111011001100
310200021021212022
43021033323030
5102001144142
65122425312
71210264040
oct311177314
9120237768
1052756172
1127863547
1215802238
13ac11a91
147014020
1549716d2
hex324fecc

52756172 has 24 divisors (see below), whose sum is σ = 108917760. Its totient is φ = 21880080.

The previous prime is 52756169. The next prime is 52756183. The reversal of 52756172 is 27165725.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29522 + ... + 31257.

It is an arithmetic number, because the mean of its divisors is an integer number (4538240).

Almost surely, 252756172 is an apocalyptic number.

It is an amenable number.

52756172 is an abundant number, since it is smaller than the sum of its proper divisors (56161588).

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

52756172 is a wasteful number, since it uses less digits than its factorization.

52756172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60821 (or 60819 counting only the distinct ones).

The product of its digits is 29400, while the sum is 35.

The square root of 52756172 is about 7263.3444087417. The cubic root of 52756172 is about 375.0516598460.

The spelling of 52756172 in words is "fifty-two million, seven hundred fifty-six thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 60779 121558 243116 425453 850906 1701812 1884149 3768298 7536596 13189043 26378086 52756172