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53381124 = 22321482809
BaseRepresentation
bin1100101110100…
…0100000000100
310201110001010200
43023220200010
5102131143444
65144050500
71215506046
oct313504004
9121401120
1053381124
1128150035
1215a63a30
13b0a0384
147137a96
154a46969
hex32e8804

53381124 has 18 divisors (see below), whose sum is σ = 134935710. Its totient is φ = 17793696.

The previous prime is 53381023. The next prime is 53381129. The reversal of 53381124 is 42118335.

It is a happy number.

53381124 is a `hidden beast` number, since 533 + 8 + 1 + 124 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41602500 + 11778624 = 6450^2 + 3432^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (53381129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 741369 + ... + 741440.

Almost surely, 253381124 is an apocalyptic number.

It is an amenable number.

53381124 is an abundant number, since it is smaller than the sum of its proper divisors (81554586).

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

53381124 is a wasteful number, since it uses less digits than its factorization.

53381124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482819 (or 1482814 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 53381124 is about 7306.2387040118. The cubic root of 53381124 is about 376.5268098346.

Adding to 53381124 its reverse (42118335), we get a palindrome (95499459).

The spelling of 53381124 in words is "fifty-three million, three hundred eighty-one thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 1482809 2965618 4448427 5931236 8896854 13345281 17793708 26690562 53381124