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252536001 = 384178667
BaseRepresentation
bin11110000110101…
…10010011000001
3122121012011021020
433003112103001
51004122123001
641020420053
76154343364
oct1703262301
9577164236
10252536001
1111a606043
12706a7629
134041cab3
142577a0db
1517285736
hexf0d64c1

252536001 has 4 divisors (see below), whose sum is σ = 336714672. Its totient is φ = 168357332.

The previous prime is 252535991. The next prime is 252536017. The reversal of 252536001 is 100635252.

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 a cyclic number.

It is not a de Polignac number, because 252536001 - 225 = 218981569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252536101) 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, 42089331 + ... + 42089336.

It is an arithmetic number, because the mean of its divisors is an integer number (84178668).

Almost surely, 2252536001 is an apocalyptic number.

It is an amenable number.

252536001 is a deficient number, since it is larger than the sum of its proper divisors (84178671).

252536001 is an equidigital number, since it uses as much as digits as its factorization.

252536001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84178670.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 252536001 is about 15891.3813433572. The cubic root of 252536001 is about 632.0834700214.

The spelling of 252536001 in words is "two hundred fifty-two million, five hundred thirty-six thousand, one".

Divisors: 1 3 84178667 252536001