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52813680 = 2435220057
BaseRepresentation
bin1100100101110…
…1111101110000
310200101012202020
43021131331300
5102010014210
65123551440
71210623513
oct311357560
9120335666
1052813680
11278a2777
121582b580
13ac31cca
14702ad7a
154983770
hex325df70

52813680 has 40 divisors (see below), whose sum is σ = 163723152. Its totient is φ = 14083584.

The previous prime is 52813667. The next prime is 52813697. The reversal of 52813680 is 8631825.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent 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, 109789 + ... + 110268.

Almost surely, 252813680 is an apocalyptic number.

It is an amenable number.

52813680 is an abundant number, since it is smaller than the sum of its proper divisors (110909472).

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

52813680 is a wasteful number, since it uses less digits than its factorization.

52813680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220073 (or 220067 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 52813680 is about 7267.3021128889. The cubic root of 52813680 is about 375.1878880680.

The spelling of 52813680 in words is "fifty-two million, eight hundred thirteen thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 220057 440114 660171 880228 1100285 1320342 1760456 2200570 2640684 3300855 3520912 4401140 5281368 6601710 8802280 10562736 13203420 17604560 26406840 52813680