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53450760 = 23351140493
BaseRepresentation
bin1100101111100…
…1100000001000
310201120120122210
43023321200020
5102140411020
65145345120
71216216056
oct313714010
9121516583
1053450760
1128198390
1215a981a0
13b0c5c8c
1471551d6
154a5c3e0
hex32f9808

53450760 has 64 divisors (see below), whose sum is σ = 174934080. Its totient is φ = 12957440.

The previous prime is 53450759. The next prime is 53450767. The reversal of 53450760 is 6705435.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (53450767) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18927 + ... + 21566.

It is an arithmetic number, because the mean of its divisors is an integer number (2733345).

Almost surely, 253450760 is an apocalyptic number.

It is an amenable number.

53450760 is an abundant number, since it is smaller than the sum of its proper divisors (121483320).

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

53450760 is a wasteful number, since it uses less digits than its factorization.

53450760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40518 (or 40514 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 53450760 is about 7311.0026672133. The cubic root of 53450760 is about 376.6904658608.

The spelling of 53450760 in words is "fifty-three million, four hundred fifty thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1320 40493 80986 121479 161972 202465 242958 323944 404930 445423 485916 607395 809860 890846 971832 1214790 1336269 1619720 1781692 2227115 2429580 2672538 3563384 4454230 4859160 5345076 6681345 8908460 10690152 13362690 17816920 26725380 53450760