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252222252 = 223197106693
BaseRepresentation
bin11110000100010…
…01101100101100
3122120121012212220
433002021230230
51004032103002
641005555340
76151565562
oct1702115454
9576535786
10252222252
1111a411347
1270575b50
1340340049
14256d7a32
15172227bc
hexf089b2c

252222252 has 24 divisors (see below), whose sum is σ = 591511536. Its totient is φ = 83646528.

The previous prime is 252222211. The next prime is 252222259.

252222252 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (252222259) 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 7 ways as a sum of consecutive naturals, for example, 50983 + ... + 55710.

It is an arithmetic number, because the mean of its divisors is an integer number (24646314).

Almost surely, 2252222252 is an apocalyptic number.

It is an amenable number.

252222252 is an abundant number, since it is smaller than the sum of its proper divisors (339289284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252222252 is a wasteful number, since it uses less digits than its factorization.

252222252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106897 (or 106895 counting only the distinct ones).

The product of its digits is 3200, while the sum is 24.

The square root of 252222252 is about 15881.5066035940. The cubic root of 252222252 is about 631.8215961484.

The spelling of 252222252 in words is "two hundred fifty-two million, two hundred twenty-two thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 197 394 591 788 1182 2364 106693 213386 320079 426772 640158 1280316 21018521 42037042 63055563 84074084 126111126 252222252