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52752270 = 2354793671
BaseRepresentation
bin1100100100111…
…0111110001110
310200021002111210
43021032332032
5102001033040
65122355250
71210246464
oct311167616
9120232453
1052752270
112786061a
12157bbb26
13ac1007c
147012834
154970480
hex324ef8e

52752270 has 32 divisors (see below), whose sum is σ = 126904320. Its totient is φ = 14034080.

The previous prime is 52752263. The next prime is 52752289. The reversal of 52752270 is 7225725.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12535 + ... + 16205.

It is an arithmetic number, because the mean of its divisors is an integer number (3965760).

Almost surely, 252752270 is an apocalyptic number.

52752270 is an abundant number, since it is smaller than the sum of its proper divisors (74152050).

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

52752270 is a wasteful number, since it uses less digits than its factorization.

52752270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 52752270 is about 7263.0757947305. The cubic root of 52752270 is about 375.0424129806.

Adding to 52752270 its reverse (7225725), we get a palindrome (59977995).

The spelling of 52752270 in words is "fifty-two million, seven hundred fifty-two thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 479 958 1437 2395 2874 3671 4790 7185 7342 11013 14370 18355 22026 36710 55065 110130 1758409 3516818 5275227 8792045 10550454 17584090 26376135 52752270