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53475980 = 22511092411
BaseRepresentation
bin1100101111111…
…1101010001100
310201121212020212
43023333222030
5102142212410
65150101552
71216352435
oct313775214
9121555225
1053475980
1128205328
1215aaa8b8
13b1045bc
14716048c
154a64b05
hex32ffa8c

53475980 has 24 divisors (see below), whose sum is σ = 112447440. Its totient is φ = 21362240.

The previous prime is 53475977. The next prime is 53475997. The reversal of 53475980 is 8957435.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20975 + ... + 23385.

It is an arithmetic number, because the mean of its divisors is an integer number (4685310).

Almost surely, 253475980 is an apocalyptic number.

It is an amenable number.

53475980 is an abundant number, since it is smaller than the sum of its proper divisors (58971460).

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

53475980 is a wasteful number, since it uses less digits than its factorization.

53475980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529 (or 3527 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 53475980 is about 7312.7272614258. The cubic root of 53475980 is about 376.7497019363.

The spelling of 53475980 in words is "fifty-three million, four hundred seventy-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 1109 2218 2411 4436 4822 5545 9644 11090 12055 22180 24110 48220 2673799 5347598 10695196 13368995 26737990 53475980