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53059920 = 2435221083
BaseRepresentation
bin1100101001101…
…0000101010000
310200211201112020
43022122011100
5102040404140
65133131440
71213000434
oct312320520
9120751466
1053059920
1127a50781
1215929b80
13acba104
1470929c4
1549d16d0
hex329a150

53059920 has 40 divisors (see below), whose sum is σ = 164486496. Its totient is φ = 14149248.

The previous prime is 53059891. The next prime is 53059921. The reversal of 53059920 is 2995035.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×530599202 = 5630710220812800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53059921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110302 + ... + 110781.

Almost surely, 253059920 is an apocalyptic number.

It is an amenable number.

53059920 is an abundant number, since it is smaller than the sum of its proper divisors (111426576).

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

53059920 is a wasteful number, since it uses less digits than its factorization.

53059920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221099 (or 221093 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 53059920 is about 7284.2240492725. The cubic root of 53059920 is about 375.7700797456.

It can be divided in two parts, 5305 and 9920, that added together give a triangular number (15225 = T174).

The spelling of 53059920 in words is "fifty-three million, fifty-nine thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 221083 442166 663249 884332 1105415 1326498 1768664 2210830 2652996 3316245 3537328 4421660 5305992 6632490 8843320 10611984 13264980 17686640 26529960 53059920