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252113351 = 736016193
BaseRepresentation
bin11110000011011…
…11000111000111
3122120101200111112
433001233013013
51004020111401
641003355235
76150633230
oct1701570707
9576350445
10252113351
1111a347546
1270522b1b
13403025c9
14256aa087
15172003bb
hexf06f1c7

252113351 has 4 divisors (see below), whose sum is σ = 288129552. Its totient is φ = 216097152.

The previous prime is 252113347. The next prime is 252113363. The reversal of 252113351 is 153311252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 252113351 - 22 = 252113347 is a prime.

It is a super-2 number, since 2×2521133512 = 127122283504898402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252113321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18008090 + ... + 18008103.

It is an arithmetic number, because the mean of its divisors is an integer number (72032388).

Almost surely, 2252113351 is an apocalyptic number.

252113351 is a deficient number, since it is larger than the sum of its proper divisors (36016201).

252113351 is an equidigital number, since it uses as much as digits as its factorization.

252113351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36016200.

The product of its digits is 900, while the sum is 23.

The square root of 252113351 is about 15878.0776859165. The cubic root of 252113351 is about 631.7306500243.

The spelling of 252113351 in words is "two hundred fifty-two million, one hundred thirteen thousand, three hundred fifty-one".

Divisors: 1 7 36016193 252113351