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252252255 = 3589188953
BaseRepresentation
bin11110000100100…
…01000001011111
3122120122202001010
433002101001133
51004034033010
641010350303
76152052213
oct1702210137
9576582033
10252252255
1111a431942
127058b393
13403508b8
1425704943
151722b620
hexf09105f

252252255 has 16 divisors (see below), whose sum is σ = 408140640. Its totient is φ = 133022208.

The previous prime is 252252223. The next prime is 252252257. The reversal of 252252255 is 552252252.

It is not a de Polignac number, because 252252255 - 25 = 252252223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252252257) 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 15 ways as a sum of consecutive naturals, for example, 93142 + ... + 95811.

It is an arithmetic number, because the mean of its divisors is an integer number (25508790).

Almost surely, 2252252255 is an apocalyptic number.

252252255 is a deficient number, since it is larger than the sum of its proper divisors (155888385).

252252255 is a wasteful number, since it uses less digits than its factorization.

252252255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189050.

The product of its digits is 20000, while the sum is 30.

The square root of 252252255 is about 15882.4511647290. The cubic root of 252252255 is about 631.8466478526.

The spelling of 252252255 in words is "two hundred fifty-two million, two hundred fifty-two thousand, two hundred fifty-five".

Divisors: 1 3 5 15 89 267 445 1335 188953 566859 944765 2834295 16816817 50450451 84084085 252252255