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502728072 = 233711272039
BaseRepresentation
bin11101111101110…
…000010110001000
31022000222020021020
4131331300112020
52012144244242
6121515112440
715313055340
oct3575602610
91260866236
10502728072
11238860050
12120442720
13801cba42
144aaa5d20
152e2066ec
hex1df70588

502728072 has 64 divisors (see below), whose sum is σ = 1566950400. Its totient is φ = 130578240.

The previous prime is 502728071. The next prime is 502728077. The reversal of 502728072 is 270827205.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (502728071) 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, 134172 + ... + 137867.

It is an arithmetic number, because the mean of its divisors is an integer number (24483600).

Almost surely, 2502728072 is an apocalyptic number.

It is an amenable number.

502728072 is an abundant number, since it is smaller than the sum of its proper divisors (1064222328).

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

502728072 is a wasteful number, since it uses less digits than its factorization.

502728072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272066 (or 272062 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 502728072 is about 22421.5983373175. The cubic root of 502728072 is about 795.1414233592.

The spelling of 502728072 in words is "five hundred two million, seven hundred twenty-eight thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 56 66 77 84 88 132 154 168 231 264 308 462 616 924 1848 272039 544078 816117 1088156 1632234 1904273 2176312 2992429 3264468 3808546 5712819 5984858 6528936 7617092 8977287 11425638 11969716 15234184 17954574 20947003 22851276 23939432 35909148 41894006 45702552 62841009 71818296 83788012 125682018 167576024 251364036 502728072