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252505503 = 32431673907
BaseRepresentation
bin11110000110011…
…10110110011111
3122121010121102200
433003032312133
51004120134003
641020022543
76154155435
oct1703166637
9577117380
10252505503
1111a595138
1270691a53
134040bc53
142576cd55
151727b6a3
hexf0ced9f

252505503 has 24 divisors (see below), whose sum is σ = 375543168. Its totient is φ = 163395792.

The previous prime is 252505483. The next prime is 252505507. The reversal of 252505503 is 305505252.

It is not a de Polignac number, because 252505503 - 29 = 252504991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252505507) 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, 62676 + ... + 66582.

It is an arithmetic number, because the mean of its divisors is an integer number (15647632).

Almost surely, 2252505503 is an apocalyptic number.

252505503 is a deficient number, since it is larger than the sum of its proper divisors (123037665).

252505503 is a wasteful number, since it uses less digits than its factorization.

252505503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4123 (or 4120 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 252505503 is about 15890.4217376381. The cubic root of 252505503 is about 632.0580240683.

The spelling of 252505503 in words is "two hundred fifty-two million, five hundred five thousand, five hundred three".

Divisors: 1 3 9 43 129 167 387 501 1503 3907 7181 11721 21543 35163 64629 168001 504003 652469 1512009 1957407 5872221 28056167 84168501 252505503