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53984805 = 3572917729
BaseRepresentation
bin1100110111101…
…1111000100101
310202120201020020
43031323320211
5102310003210
65205025353
71223602050
oct315737045
9122521206
1053984805
1128522646
12160b5259
13b252094
147253a97
154b15770
hex337be25

53984805 has 32 divisors (see below), whose sum is σ = 102124800. Its totient is φ = 23826432.

The previous prime is 53984773. The next prime is 53984849. The reversal of 53984805 is 50848935.

It is not a de Polignac number, because 53984805 - 25 = 53984773 is a prime.

It is a super-3 number, since 3×539848053 (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5820 + ... + 11909.

It is an arithmetic number, because the mean of its divisors is an integer number (3191400).

Almost surely, 253984805 is an apocalyptic number.

It is an amenable number.

53984805 is a deficient number, since it is larger than the sum of its proper divisors (48139995).

53984805 is a wasteful number, since it uses less digits than its factorization.

53984805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17773.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 53984805 is about 7347.4352668125. The cubic root of 53984805 is about 377.9408588642.

The spelling of 53984805 in words is "fifty-three million, nine hundred eighty-four thousand, eight hundred five".

Divisors: 1 3 5 7 15 21 29 35 87 105 145 203 435 609 1015 3045 17729 53187 88645 124103 265935 372309 514141 620515 1542423 1861545 2570705 3598987 7712115 10796961 17994935 53984805