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52634868 = 223111337829
BaseRepresentation
bin1100100011001…
…0010011110100
310200001010110120
43020302103310
5101433303433
65120051540
71206250266
oct310622364
9120033416
1052634868
11277903a0
1215763bb0
13ab9b7c0
146dc1b36
15494a7b3
hex32324f4

52634868 has 96 divisors (see below), whose sum is σ = 148364160. Its totient is φ = 14307840.

The previous prime is 52634849. The next prime is 52634947. The reversal of 52634868 is 86843625.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63078 + ... + 63906.

It is an arithmetic number, because the mean of its divisors is an integer number (1545460).

Almost surely, 252634868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52634868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74182080).

52634868 is an abundant number, since it is smaller than the sum of its proper divisors (95729292).

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

52634868 is a wasteful number, since it uses less digits than its factorization.

52634868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 895 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 52634868 is about 7254.9891798679. The cubic root of 52634868 is about 374.7639830427.

The spelling of 52634868 in words is "fifty-two million, six hundred thirty-four thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 11 12 13 22 26 33 37 39 44 52 66 74 78 111 132 143 148 156 222 286 407 429 444 481 572 814 829 858 962 1221 1443 1628 1658 1716 1924 2442 2487 2886 3316 4884 4974 5291 5772 9119 9948 10582 10777 15873 18238 21164 21554 27357 30673 31746 32331 36476 43108 54714 61346 63492 64662 92019 109428 118547 122692 129324 184038 237094 337403 355641 368076 398749 474188 674806 711282 797498 1012209 1196247 1349612 1422564 1594996 2024418 2392494 4048836 4386239 4784988 8772478 13158717 17544956 26317434 52634868