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53269725 = 3522330881
BaseRepresentation
bin1100101100110…
…1010011011101
310201020101022210
43023031103131
5102114112400
65141431033
71214533215
oct313152335
9121211283
1053269725
1128084373
1215a0b479
13b061762
147109245
154a23950
hex32cd4dd

53269725 has 24 divisors (see below), whose sum is σ = 91904832. Its totient is φ = 27174400.

The previous prime is 53269703. The next prime is 53269729. The reversal of 53269725 is 52796235.

It is not a de Polignac number, because 53269725 - 26 = 53269661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53269729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13716 + ... + 17165.

It is an arithmetic number, because the mean of its divisors is an integer number (3829368).

Almost surely, 253269725 is an apocalyptic number.

It is an amenable number.

53269725 is a deficient number, since it is larger than the sum of its proper divisors (38635107).

53269725 is a wasteful number, since it uses less digits than its factorization.

53269725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30917 (or 30912 counting only the distinct ones).

The product of its digits is 113400, while the sum is 39.

The square root of 53269725 is about 7298.6111692568. The cubic root of 53269725 is about 376.2647076880.

It can be divided in two parts, 5326 and 9725, that added together give a palindrome (15051).

The spelling of 53269725 in words is "fifty-three million, two hundred sixty-nine thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 23 25 69 75 115 345 575 1725 30881 92643 154405 463215 710263 772025 2130789 2316075 3551315 10653945 17756575 53269725