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252553053 = 384184351
BaseRepresentation
bin11110000110110…
…10011101011101
3122121020000122210
433003122131131
51004123144203
641021031033
76154444164
oct1703323535
9577200583
10252553053
1111a617935
12706b5479
134042779c
14257823db
151728a803
hexf0da75d

252553053 has 4 divisors (see below), whose sum is σ = 336737408. Its totient is φ = 168368700.

The previous prime is 252553051. The next prime is 252553097. The reversal of 252553053 is 350355252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 252553053 - 21 = 252553051 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 252553053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252553051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42092173 + ... + 42092178.

It is an arithmetic number, because the mean of its divisors is an integer number (84184352).

Almost surely, 2252553053 is an apocalyptic number.

It is an amenable number.

252553053 is a deficient number, since it is larger than the sum of its proper divisors (84184355).

252553053 is an equidigital number, since it uses as much as digits as its factorization.

252553053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84184354.

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 252553053 is about 15891.9178515370. The cubic root of 252553053 is about 632.0976964350.

The spelling of 252553053 in words is "two hundred fifty-two million, five hundred fifty-three thousand, fifty-three".

Divisors: 1 3 84184351 252553053