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53285616 = 24321721767
BaseRepresentation
bin1100101101000…
…1001011110000
310201021012010100
43023101023300
5102120114431
65142032400
71214630436
oct313211360
9121235110
1053285616
11280952aa
1215a18700
13b068a67
147110d56
154a284e6
hex32d12f0

53285616 has 60 divisors (see below), whose sum is σ = 157905072. Its totient is φ = 16716288.

The previous prime is 53285597. The next prime is 53285623. The reversal of 53285616 is 61658235.

53285616 = T485 + T486 + ... + T756.

53285616 is a `hidden beast` number, since 5 + 32 + 8 + 5 + 616 = 666.

It is a hoax number, since the sum of its digits (36) 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 (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8436 + ... + 13331.

Almost surely, 253285616 is an apocalyptic number.

It is an amenable number.

53285616 is an abundant number, since it is smaller than the sum of its proper divisors (104619456).

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

53285616 is a wasteful number, since it uses less digits than its factorization.

53285616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21798 (or 21789 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 53285616 is about 7299.6997198515. The cubic root of 53285616 is about 376.3021187316.

The spelling of 53285616 in words is "fifty-three million, two hundred eighty-five thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 68 72 102 136 144 153 204 272 306 408 612 816 1224 2448 21767 43534 65301 87068 130602 174136 195903 261204 348272 370039 391806 522408 740078 783612 1044816 1110117 1480156 1567224 2220234 2960312 3134448 3330351 4440468 5920624 6660702 8880936 13321404 17761872 26642808 53285616