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52753992 = 23317239541
BaseRepresentation
bin1100100100111…
…1011001001000
310200021011212120
43021033121020
5102001111432
65122411240
71210254504
oct311173110
9120234776
1052753992
1127861945
1215800b20
13ac10aa5
147013304
154970c2c
hex324f648

52753992 has 64 divisors (see below), whose sum is σ = 140486400. Its totient is φ = 16450560.

The previous prime is 52753963. The next prime is 52753993. The reversal of 52753992 is 29935725.

It is not an unprimeable number, because it can be changed into a prime (52753993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97242 + ... + 97782.

It is an arithmetic number, because the mean of its divisors is an integer number (2195100).

Almost surely, 252753992 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 52753992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70243200).

52753992 is an abundant number, since it is smaller than the sum of its proper divisors (87732408).

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

52753992 is a wasteful number, since it uses less digits than its factorization.

52753992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 802 counting only the distinct ones).

The product of its digits is 170100, while the sum is 42.

The square root of 52753992 is about 7263.1943385813. The cubic root of 52753992 is about 375.0464937909.

The spelling of 52753992 in words is "fifty-two million, seven hundred fifty-three thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 239 408 478 541 717 956 1082 1434 1623 1912 2164 2868 3246 4063 4328 5736 6492 8126 9197 12189 12984 16252 18394 24378 27591 32504 36788 48756 55182 73576 97512 110364 129299 220728 258598 387897 517196 775794 1034392 1551588 2198083 3103176 4396166 6594249 8792332 13188498 17584664 26376996 52753992