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53436680 = 23511121447
BaseRepresentation
bin1100101111011…
…0000100001000
310201112212100022
43023312010020
5102134433210
65145200012
71216130033
oct313660410
9121485308
1053436680
1128188850
1215a90008
13b0bc74b
14715001a
154a58155
hex32f6108

53436680 has 32 divisors (see below), whose sum is σ = 131163840. Its totient is φ = 19431360.

The previous prime is 53436679. The next prime is 53436701. The reversal of 53436680 is 8663435.

It is a self number, because there is not a number n which added to its sum of digits gives 53436680.

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, 60284 + ... + 61163.

It is an arithmetic number, because the mean of its divisors is an integer number (4098870).

Almost surely, 253436680 is an apocalyptic number.

It is an amenable number.

53436680 is an abundant number, since it is smaller than the sum of its proper divisors (77727160).

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

53436680 is a wasteful number, since it uses less digits than its factorization.

53436680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121469 (or 121465 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 53436680 is about 7310.0396715750. The cubic root of 53436680 is about 376.6573870200.

The spelling of 53436680 in words is "fifty-three million, four hundred thirty-six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 121447 242894 485788 607235 971576 1214470 1335917 2428940 2671834 4857880 5343668 6679585 10687336 13359170 26718340 53436680