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252500229 = 3228055581
BaseRepresentation
bin11110000110011…
…01100100000101
3122121010100012100
433003031210011
51004120001404
641015542313
76154134162
oct1703154405
9577110170
10252500229
1111a591183
127068a999
1340409727
142576b069
1517279d39
hexf0cd905

252500229 has 6 divisors (see below), whose sum is σ = 364722566. Its totient is φ = 168333480.

The previous prime is 252500221. The next prime is 252500231. The reversal of 252500229 is 922005252.

It can be written as a sum of positive squares in only one way, i.e., 169052004 + 83448225 = 13002^2 + 9135^2 .

It is not a de Polignac number, because 252500229 - 23 = 252500221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252500221) 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, 14027782 + ... + 14027799.

Almost surely, 2252500229 is an apocalyptic number.

It is an amenable number.

252500229 is a deficient number, since it is larger than the sum of its proper divisors (112222337).

252500229 is a wasteful number, since it uses less digits than its factorization.

252500229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28055587 (or 28055584 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 252500229 is about 15890.2557877461. The cubic root of 252500229 is about 632.0536235078.

The spelling of 252500229 in words is "two hundred fifty-two million, five hundred thousand, two hundred twenty-nine".

Divisors: 1 3 9 28055581 84166743 252500229