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252552243 = 384184081
BaseRepresentation
bin11110000110110…
…10010000110011
3122121012222112210
433003122100303
51004123132433
641021023203
76154441626
oct1703322063
9577188483
10252552243
1111a617269
12706b4b03
13404272c8
1425781dbd
151728a463
hexf0da433

252552243 has 4 divisors (see below), whose sum is σ = 336736328. Its totient is φ = 168368160.

The previous prime is 252552211. The next prime is 252552247. The reversal of 252552243 is 342255252.

252552243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 252552243 - 25 = 252552211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252552243.

It is not an unprimeable number, because it can be changed into a prime (252552247) 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, 42092038 + ... + 42092043.

It is an arithmetic number, because the mean of its divisors is an integer number (84184082).

Almost surely, 2252552243 is an apocalyptic number.

252552243 is a deficient number, since it is larger than the sum of its proper divisors (84184085).

252552243 is an equidigital number, since it uses as much as digits as its factorization.

252552243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84184084.

The product of its digits is 24000, while the sum is 30.

The square root of 252552243 is about 15891.8923668643. The cubic root of 252552243 is about 632.0970206698.

The spelling of 252552243 in words is "two hundred fifty-two million, five hundred fifty-two thousand, two hundred forty-three".

Divisors: 1 3 84184081 252552243