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53488280 = 23510311297
BaseRepresentation
bin1100110000001…
…0101010011000
310201122111010102
43030002222120
5102143111110
65150234532
71216433336
oct314025230
9121574112
1053488280
112821359a
1215ab5a48
13b10a091
147164b56
154a685a5
hex3302a98

53488280 has 32 divisors (see below), whose sum is σ = 120558240. Its totient is φ = 21358080.

The previous prime is 53488247. The next prime is 53488291. The reversal of 53488280 is 8288435.

It is a congruent number.

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, 40592 + ... + 41888.

It is an arithmetic number, because the mean of its divisors is an integer number (3767445).

Almost surely, 253488280 is an apocalyptic number.

It is an amenable number.

53488280 is an abundant number, since it is smaller than the sum of its proper divisors (67069960).

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

53488280 is a wasteful number, since it uses less digits than its factorization.

53488280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339 (or 2335 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 53488280 is about 7313.5682125759. The cubic root of 53488280 is about 376.7785850978.

The spelling of 53488280 in words is "fifty-three million, four hundred eighty-eight thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1031 1297 2062 2594 4124 5155 5188 6485 8248 10310 10376 12970 20620 25940 41240 51880 1337207 2674414 5348828 6686035 10697656 13372070 26744140 53488280