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252613353 = 31719125933
BaseRepresentation
bin11110000111010…
…01001011101001
3122121100002101010
433003221023221
51004132111403
641022214133
76155115036
oct1703511351
9577302333
10252613353
1111a659173
1270724349
1340449075
142579a38d
151729d603
hexf0e92e9

252613353 has 16 divisors (see below), whose sum is σ = 358511616. Its totient is φ = 157666560.

The previous prime is 252613351. The next prime is 252613357. The reversal of 252613353 is 353316252.

It is not a de Polignac number, because 252613353 - 21 = 252613351 is a prime.

It is a super-2 number, since 2×2526133532 = 127627012227805218, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 252613353.

It is not an unprimeable number, because it can be changed into a prime (252613351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3226 + ... + 22707.

It is an arithmetic number, because the mean of its divisors is an integer number (22406976).

Almost surely, 2252613353 is an apocalyptic number.

It is an amenable number.

252613353 is a deficient number, since it is larger than the sum of its proper divisors (105898263).

252613353 is a wasteful number, since it uses less digits than its factorization.

252613353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26144.

The product of its digits is 16200, while the sum is 30.

The square root of 252613353 is about 15893.8149290848. The cubic root of 252613353 is about 632.1479993417.

The spelling of 252613353 in words is "two hundred fifty-two million, six hundred thirteen thousand, three hundred fifty-three".

Divisors: 1 3 17 51 191 573 3247 9741 25933 77799 440861 1322583 4953203 14859609 84204451 252613353