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53289249 = 3132105107
BaseRepresentation
bin1100101101001…
…0000100100001
310201021101002220
43023102010201
5102120223444
65142101253
71214644146
oct313220441
9121241086
1053289249
1128098002
1215a1a829
13b06a600
1471123cd
154a29619
hex32d2121

53289249 has 12 divisors (see below), whose sum is σ = 76939056. Its totient is φ = 32793072.

The previous prime is 53289241. The next prime is 53289251. The reversal of 53289249 is 94298235.

It is not a de Polignac number, because 53289249 - 23 = 53289241 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53289249.

It is not an unprimeable number, because it can be changed into a prime (53289241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52047 + ... + 53060.

It is an arithmetic number, because the mean of its divisors is an integer number (6411588).

Almost surely, 253289249 is an apocalyptic number.

It is an amenable number.

53289249 is a deficient number, since it is larger than the sum of its proper divisors (23649807).

53289249 is a wasteful number, since it uses less digits than its factorization.

53289249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105136 (or 105123 counting only the distinct ones).

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

The square root of 53289249 is about 7299.9485614626. The cubic root of 53289249 is about 376.3106705988.

The spelling of 53289249 in words is "fifty-three million, two hundred eighty-nine thousand, two hundred forty-nine".

Divisors: 1 3 13 39 169 507 105107 315321 1366391 4099173 17763083 53289249