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52105920 = 263554277
BaseRepresentation
bin1100011011000…
…1001011000000
310122001020212220
43012301023000
5101314342140
65100451040
71201615206
oct306611300
9118036786
1052105920
1127459a49
1215549a80
13aa44b09
146cc5076
154893bd0
hex31b12c0

52105920 has 56 divisors (see below), whose sum is σ = 165439344. Its totient is φ = 13894656.

The previous prime is 52105891. The next prime is 52105931. The reversal of 52105920 is 2950125.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 26179 + ... + 28098.

It is an arithmetic number, because the mean of its divisors is an integer number (2954274).

Almost surely, 252105920 is an apocalyptic number.

It is an amenable number.

52105920 is an abundant number, since it is smaller than the sum of its proper divisors (113333424).

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

52105920 is a wasteful number, since it uses less digits than its factorization.

52105920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54297 (or 54287 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 52105920 is about 7218.4430454219. The cubic root of 52105920 is about 373.5043717421.

The spelling of 52105920 in words is "fifty-two million, one hundred five thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 54277 108554 162831 217108 271385 325662 434216 542770 651324 814155 868432 1085540 1302648 1628310 1736864 2171080 2605296 3256620 3473728 4342160 5210592 6513240 8684320 10421184 13026480 17368640 26052960 52105920