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252231335 = 543227283
BaseRepresentation
bin11110000100010…
…11111010100111
3122120121200100022
433002023322213
51004032400320
641010105355
76151634216
oct1702137247
9576550308
10252231335
1111a418154
127057b25b
1340344215
14256db07d
1517225325
hexf08bea7

252231335 has 12 divisors (see below), whose sum is σ = 309891672. Its totient is φ = 197085168.

The previous prime is 252231311. The next prime is 252231337. The reversal of 252231335 is 533132252.

It is not a de Polignac number, because 252231335 - 214 = 252214951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252231337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4397 + ... + 22886.

It is an arithmetic number, because the mean of its divisors is an integer number (25824306).

Almost surely, 2252231335 is an apocalyptic number.

252231335 is a deficient number, since it is larger than the sum of its proper divisors (57660337).

252231335 is an equidigital number, since it uses as much as digits as its factorization.

252231335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27374 (or 27331 counting only the distinct ones).

The product of its digits is 5400, while the sum is 26.

The square root of 252231335 is about 15881.7925625541. The cubic root of 252231335 is about 631.8291804206.

Adding to 252231335 its reverse (533132252), we get a palindrome (785363587).

The spelling of 252231335 in words is "two hundred fifty-two million, two hundred thirty-one thousand, three hundred thirty-five".

Divisors: 1 5 43 215 1849 9245 27283 136415 1173169 5865845 50446267 252231335