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252584477 = 416160597
BaseRepresentation
bin11110000111000…
…10001000011101
3122121021121202122
433003202020131
51004130200402
641021432325
76154634615
oct1703421035
9577247678
10252584477
1111a639502
127070b6a5
1340438b92
142578da45
1517294ca2
hexf0e221d

252584477 has 4 divisors (see below), whose sum is σ = 258745116. Its totient is φ = 246423840.

The previous prime is 252584407. The next prime is 252584539. The reversal of 252584477 is 774485252.

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 130393561 + 122190916 = 11419^2 + 11054^2 .

It is a cyclic number.

It is not a de Polignac number, because 252584477 - 210 = 252583453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252584407) 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, 3080258 + ... + 3080339.

It is an arithmetic number, because the mean of its divisors is an integer number (64686279).

Almost surely, 2252584477 is an apocalyptic number.

It is an amenable number.

252584477 is a deficient number, since it is larger than the sum of its proper divisors (6160639).

252584477 is an equidigital number, since it uses as much as digits as its factorization.

252584477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6160638.

The product of its digits is 627200, while the sum is 44.

The square root of 252584477 is about 15892.9064994418. The cubic root of 252584477 is about 632.1239116717.

The spelling of 252584477 in words is "two hundred fifty-two million, five hundred eighty-four thousand, four hundred seventy-seven".

Divisors: 1 41 6160597 252584477