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253529253 = 32233139509
BaseRepresentation
bin11110001110010…
…00110010100101
3122200001121202100
433013020302211
51004400414003
641054002313
76165651225
oct1707106245
9580047670
10253529253
1112012430a
1270aa6399
13406a9c13
1425958085
15173ceba3
hexf1c8ca5

253529253 has 24 divisors (see below), whose sum is σ = 394467840. Its totient is φ = 156451680.

The previous prime is 253529201. The next prime is 253529261. The reversal of 253529253 is 352925352.

253529253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253529253 - 213 = 253521061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253529153) 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, 13338 + ... + 26171.

It is an arithmetic number, because the mean of its divisors is an integer number (16436160).

Almost surely, 2253529253 is an apocalyptic number.

253529253 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

253529253 is a deficient number, since it is larger than the sum of its proper divisors (140938587).

253529253 is a wasteful number, since it uses less digits than its factorization.

253529253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39569 (or 39566 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 253529253 is about 15922.6019544546. The cubic root of 253529253 is about 632.9110706663.

The spelling of 253529253 in words is "two hundred fifty-three million, five hundred twenty-nine thousand, two hundred fifty-three".

Divisors: 1 3 9 23 31 69 93 207 279 713 2139 6417 39509 118527 355581 908707 1224779 2726121 3674337 8178363 11023011 28169917 84509751 253529253