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252202553 = 1132231881
BaseRepresentation
bin11110000100001…
…00111000111001
3122120120012212022
433002010320321
51004030440203
641005324225
76151454261
oct1702047071
9576505768
10252202553
1111a3a8569
1270566675
13403340a5
14256d07a1
151721ba38
hexf084e39

252202553 has 4 divisors (see below), whose sum is σ = 254434548. Its totient is φ = 249970560.

The previous prime is 252202547. The next prime is 252202571. The reversal of 252202553 is 355202252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29506624 + 222695929 = 5432^2 + 14923^2 .

It is a cyclic number.

It is not a de Polignac number, because 252202553 - 28 = 252202297 is a prime.

It is a super-2 number, since 2×2522025532 = 127212255479435618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252202543) 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 3 ways as a sum of consecutive naturals, for example, 1115828 + ... + 1116053.

It is an arithmetic number, because the mean of its divisors is an integer number (63608637).

Almost surely, 2252202553 is an apocalyptic number.

It is an amenable number.

252202553 is a deficient number, since it is larger than the sum of its proper divisors (2231995).

252202553 is a wasteful number, since it uses less digits than its factorization.

252202553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231994.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 252202553 is about 15880.8864047319. The cubic root of 252202553 is about 631.8051469287.

The spelling of 252202553 in words is "two hundred fifty-two million, two hundred two thousand, five hundred fifty-three".

Divisors: 1 113 2231881 252202553