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53248965 = 3571146103
BaseRepresentation
bin1100101100100…
…0001111000101
310201012022211220
43023020033011
5102112431330
65141150553
71214415540
oct313101705
9121168756
1053248965
112806a810
12159bb459
13b055183
147101857
154a1c710
hex32c83c5

53248965 has 32 divisors (see below), whose sum is σ = 106223616. Its totient is φ = 22128960.

The previous prime is 53248939. The next prime is 53248969. The reversal of 53248965 is 56984235.

It is not a de Polignac number, because 53248965 - 29 = 53248453 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53248969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21897 + ... + 24206.

It is an arithmetic number, because the mean of its divisors is an integer number (3319488).

Almost surely, 253248965 is an apocalyptic number.

53248965 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53248965 is a deficient number, since it is larger than the sum of its proper divisors (52974651).

53248965 is a wasteful number, since it uses less digits than its factorization.

53248965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46129.

The product of its digits is 259200, while the sum is 42.

The square root of 53248965 is about 7297.1888422871. The cubic root of 53248965 is about 376.2158226958.

The spelling of 53248965 in words is "fifty-three million, two hundred forty-eight thousand, nine hundred sixty-five".

Divisors: 1 3 5 7 11 15 21 33 35 55 77 105 165 231 385 1155 46103 138309 230515 322721 507133 691545 968163 1521399 1613605 2535665 3549931 4840815 7606995 10649793 17749655 53248965