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53123912 = 2317478311
BaseRepresentation
bin1100101010100…
…1101101001000
310200221222022022
43022221231020
5102044431122
65134344012
71213355132
oct312515510
9120858268
1053123912
1127a94866
121595b008
13b01028a
1470ac052
1549e5642
hex32a9b48

53123912 has 32 divisors (see below), whose sum is σ = 107723520. Its totient is φ = 24464640.

The previous prime is 53123887. The next prime is 53123921. The reversal of 53123912 is 21932135.

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, 2237 + ... + 10547.

It is an arithmetic number, because the mean of its divisors is an integer number (3366360).

Almost surely, 253123912 is an apocalyptic number.

It is an amenable number.

53123912 is an abundant number, since it is smaller than the sum of its proper divisors (54599608).

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

53123912 is a wasteful number, since it uses less digits than its factorization.

53123912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8381 (or 8377 counting only the distinct ones).

The product of its digits is 1620, while the sum is 26.

The square root of 53123912 is about 7288.6152319902. The cubic root of 53123912 is about 375.9210827283.

The spelling of 53123912 in words is "fifty-three million, one hundred twenty-three thousand, nine hundred twelve".

Divisors: 1 2 4 8 17 34 47 68 94 136 188 376 799 1598 3196 6392 8311 16622 33244 66488 141287 282574 390617 565148 781234 1130296 1562468 3124936 6640489 13280978 26561956 53123912