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52803688 = 2375317791
BaseRepresentation
bin1100100101101…
…1100001101000
310200100201001011
43021123201220
5102004204223
65123433304
71210552420
oct311334150
9120321034
1052803688
1127896213
1215825834
13ac2a5b2
147027480
15498080d
hex325b868

52803688 has 32 divisors (see below), whose sum is σ = 115292160. Its totient is φ = 22201920.

The previous prime is 52803677. The next prime is 52803697. The reversal of 52803688 is 88630825.

It is a self number, because there is not a number n which added to its sum of digits gives 52803688.

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, 5928 + ... + 11863.

It is an arithmetic number, because the mean of its divisors is an integer number (3602880).

Almost surely, 252803688 is an apocalyptic number.

It is an amenable number.

52803688 is an abundant number, since it is smaller than the sum of its proper divisors (62488472).

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

52803688 is a wasteful number, since it uses less digits than its factorization.

52803688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17857 (or 17853 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 52803688 is about 7266.6146175506. The cubic root of 52803688 is about 375.1642255509.

The spelling of 52803688 in words is "fifty-two million, eight hundred three thousand, six hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 53 56 106 212 371 424 742 1484 2968 17791 35582 71164 124537 142328 249074 498148 942923 996296 1885846 3771692 6600461 7543384 13200922 26401844 52803688