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52813688 = 236798533
BaseRepresentation
bin1100100101110…
…1111101111000
310200101012202112
43021131331320
5102010014223
65123551452
71210623524
oct311357570
9120335675
1052813688
11278a2784
121582b588
13ac32005
14702ad84
154983778
hex325df78

52813688 has 16 divisors (see below), whose sum is σ = 100504680. Its totient is φ = 26012448.

The previous prime is 52813667. The next prime is 52813697. The reversal of 52813688 is 88631825.

It is a super-2 number, since 2×528136882 = 5578571280322688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48731 + ... + 49802.

Almost surely, 252813688 is an apocalyptic number.

It is an amenable number.

52813688 is a deficient number, since it is larger than the sum of its proper divisors (47690992).

52813688 is a wasteful number, since it uses less digits than its factorization.

52813688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98606 (or 98602 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 52813688 is about 7267.3026632995. The cubic root of 52813688 is about 375.1879070120.

The spelling of 52813688 in words is "fifty-two million, eight hundred thirteen thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 67 134 268 536 98533 197066 394132 788264 6601711 13203422 26406844 52813688