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52660160 = 265723509
BaseRepresentation
bin1100100011100…
…0011111000000
310200002102011022
43020320133000
5101440111120
65120405012
71206414110
oct310703700
9120072138
1052660160
11277a83a3
1215776768
13abaa177
146dcb040
154953025
hex32387c0

52660160 has 56 divisors (see below), whose sum is σ = 143316960. Its totient is φ = 18054144.

The previous prime is 52660159. The next prime is 52660171. The reversal of 52660160 is 6106625.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9515 + ... + 13994.

Almost surely, 252660160 is an apocalyptic number.

It is an amenable number.

52660160 is an abundant number, since it is smaller than the sum of its proper divisors (90656800).

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

52660160 is a wasteful number, since it uses less digits than its factorization.

52660160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23533 (or 23523 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 52660160 is about 7256.7320468652. The cubic root of 52660160 is about 374.8240003736.

Adding to 52660160 its reverse (6106625), we get a palindrome (58766785).

The spelling of 52660160 in words is "fifty-two million, six hundred sixty thousand, one hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1120 2240 23509 47018 94036 117545 164563 188072 235090 329126 376144 470180 658252 752288 822815 940360 1316504 1504576 1645630 1880720 2633008 3291260 3761440 5266016 6582520 7522880 10532032 13165040 26330080 52660160