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53622481 = 112443161
BaseRepresentation
bin1100110010001…
…1011011010001
310201220022012211
43030203123101
5102211404411
65153152121
71220532523
oct314433321
9121808184
1053622481
11282a5400
1215b5b641
13b1561a3
14719ba13
154a93221
hex33236d1

53622481 has 6 divisors (see below), whose sum is σ = 58940546. Its totient is φ = 48747600.

The previous prime is 53622463. The next prime is 53622487. The reversal of 53622481 is 18422635.

53622481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 28462225 + 25160256 = 5335^2 + 5016^2 .

It is not a de Polignac number, because 53622481 - 213 = 53614289 is a prime.

It is a super-2 number, since 2×536224812 = 5750740937190722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53622487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221460 + ... + 221701.

Almost surely, 253622481 is an apocalyptic number.

It is an amenable number.

53622481 is a deficient number, since it is larger than the sum of its proper divisors (5318065).

53622481 is a wasteful number, since it uses less digits than its factorization.

53622481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443183 (or 443172 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 53622481 is about 7322.7372614344. The cubic root of 53622481 is about 377.0934318497.

The spelling of 53622481 in words is "fifty-three million, six hundred twenty-two thousand, four hundred eighty-one".

Divisors: 1 11 121 443161 4874771 53622481