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53109888 = 2731310639
BaseRepresentation
bin1100101010011…
…0010010000000
310200221021001220
43022212102000
5102044004023
65134155040
71213266216
oct312462200
9120837056
1053109888
1127a85277
1215952a80
13b006a90
1470a6cb6
1549e13e3
hex32a6480

53109888 has 64 divisors (see below), whose sum is σ = 151939200. Its totient is φ = 16339968.

The previous prime is 53109857. The next prime is 53109899. The reversal of 53109888 is 88890135.

It is a tau number, because it is divible by the number of its divisors (64).

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, 328 + ... + 10311.

It is an arithmetic number, because the mean of its divisors is an integer number (2374050).

Almost surely, 253109888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53109888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75969600).

53109888 is an abundant number, since it is smaller than the sum of its proper divisors (98829312).

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

53109888 is a wasteful number, since it uses less digits than its factorization.

53109888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10669 (or 10657 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 53109888 is about 7287.6531201752. The cubic root of 53109888 is about 375.8880004430. Note that the first 3 decimals are identical.

The spelling of 53109888 in words is "fifty-three million, one hundred nine thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 312 384 416 624 832 1248 1664 2496 4992 10639 21278 31917 42556 63834 85112 127668 138307 170224 255336 276614 340448 414921 510672 553228 680896 829842 1021344 1106456 1361792 1659684 2042688 2212912 3319368 4085376 4425824 6638736 8851648 13277472 17703296 26554944 53109888