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53425680 = 2435731159
BaseRepresentation
bin1100101111001…
…1011000010000
310201112022020220
43023303120100
5102134110210
65145033040
71216053000
oct313633020
9121468226
1053425680
1128180560
1215a85780
13b0b7739
14714a000
154a54c70
hex32f3610

53425680 has 320 divisors, whose sum is σ = 214272000. Its totient is φ = 10913280.

The previous prime is 53425661. The next prime is 53425693. The reversal of 53425680 is 8652435.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 905491 + ... + 905549.

It is an arithmetic number, because the mean of its divisors is an integer number (669600).

Almost surely, 253425680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53425680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107136000).

53425680 is an abundant number, since it is smaller than the sum of its proper divisors (160846320).

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

53425680 is a wasteful number, since it uses less digits than its factorization.

53425680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 53425680 is about 7309.2872429533. The cubic root of 53425680 is about 376.6315401324.

The spelling of 53425680 in words is "fifty-three million, four hundred twenty-five thousand, six hundred eighty".