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53431360 = 265166973
BaseRepresentation
bin1100101111010…
…0110001000000
310201112121001021
43023310301000
5102134300420
65145115224
71216105363
oct313646100
9121477037
1053431360
1128184854
1215a88b14
13b0ba1b8
14714c0da
154a567aa
hex32f4c40

53431360 has 28 divisors (see below), whose sum is σ = 127234188. Its totient is φ = 21372416.

The previous prime is 53431349. The next prime is 53431373. The reversal of 53431360 is 6313435.

It can be written as a sum of positive squares in 2 ways, for example, as 17239104 + 36192256 = 4152^2 + 6016^2 .

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 3 ways as a sum of consecutive naturals, for example, 83167 + ... + 83806.

Almost surely, 253431360 is an apocalyptic number.

It is an amenable number.

53431360 is an abundant number, since it is smaller than the sum of its proper divisors (73802828).

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

53431360 is a wasteful number, since it uses less digits than its factorization.

53431360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166990 (or 166980 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 53431360 is about 7309.6757794036. The cubic root of 53431360 is about 376.6448869682.

Adding to 53431360 its reverse (6313435), we get a palindrome (59744795).

The spelling of 53431360 in words is "fifty-three million, four hundred thirty-one thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 166973 333946 667892 834865 1335784 1669730 2671568 3339460 5343136 6678920 10686272 13357840 26715680 53431360