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53369880 = 23354310343
BaseRepresentation
bin1100101110010…
…1110000011000
310201102110201020
43023211300120
5102130314010
65143522440
71215431214
oct313456030
9121373636
1053369880
1128142643
1215a59420
13b098215
147133944
154a43470
hex32e5c18

53369880 has 64 divisors (see below), whose sum is σ = 163848960. Its totient is φ = 13899648.

The previous prime is 53369839. The next prime is 53369881. The reversal of 53369880 is 8896335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53369881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12 + ... + 10331.

It is an arithmetic number, because the mean of its divisors is an integer number (2560140).

Almost surely, 253369880 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 53369880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81924480).

53369880 is an abundant number, since it is smaller than the sum of its proper divisors (110479080).

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

53369880 is a wasteful number, since it uses less digits than its factorization.

53369880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10400 (or 10396 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 53369880 is about 7305.4691841113. The cubic root of 53369880 is about 376.5003712459.

The spelling of 53369880 in words is "fifty-three million, three hundred sixty-nine thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 43 60 86 120 129 172 215 258 344 430 516 645 860 1032 1290 1720 2580 5160 10343 20686 31029 41372 51715 62058 82744 103430 124116 155145 206860 248232 310290 413720 444749 620580 889498 1241160 1334247 1778996 2223745 2668494 3557992 4447490 5336988 6671235 8894980 10673976 13342470 17789960 26684940 53369880