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252174389 is a prime number
BaseRepresentation
bin11110000011111…
…10000000110101
3122120111210020012
433001332000311
51004024040024
641004550005
76151306205
oct1701760065
9576453205
10252174389
1111a389395
1270552305
134032431c
14256c4405
151721350e
hexf07e035

252174389 has 2 divisors, whose sum is σ = 252174390. Its totient is φ = 252174388.

The previous prime is 252174383. The next prime is 252174407. The reversal of 252174389 is 983471252.

252174389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180687364 + 71487025 = 13442^2 + 8455^2 .

It is a cyclic number.

It is not a de Polignac number, because 252174389 - 28 = 252174133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252174383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126087194 + 126087195.

It is an arithmetic number, because the mean of its divisors is an integer number (126087195).

Almost surely, 2252174389 is an apocalyptic number.

It is an amenable number.

252174389 is a deficient number, since it is larger than the sum of its proper divisors (1).

252174389 is an equidigital number, since it uses as much as digits as its factorization.

252174389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 252174389 is about 15879.9996536524. Note that the first 3 decimals coincide. The cubic root of 252174389 is about 631.7816277080.

The spelling of 252174389 in words is "two hundred fifty-two million, one hundred seventy-four thousand, three hundred eighty-nine".