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252505023 = 384168341
BaseRepresentation
bin11110000110011…
…10101110111111
3122121010120202220
433003032232333
51004120130043
641020020423
76154154151
oct1703165677
9577116686
10252505023
1111a594841
1270691713
134040b974
142576cad1
151727b483
hexf0cebbf

252505023 has 4 divisors (see below), whose sum is σ = 336673368. Its totient is φ = 168336680.

The previous prime is 252504997. The next prime is 252505027. The reversal of 252505023 is 320505252.

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

It is a cyclic number.

It is not a de Polignac number, because 252505023 - 25 = 252504991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252504984 and 252505002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252505027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42084168 + ... + 42084173.

It is an arithmetic number, because the mean of its divisors is an integer number (84168342).

Almost surely, 2252505023 is an apocalyptic number.

252505023 is a deficient number, since it is larger than the sum of its proper divisors (84168345).

252505023 is an equidigital number, since it uses as much as digits as its factorization.

252505023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84168344.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 252505023 is about 15890.4066341928. The cubic root of 252505023 is about 632.0576235648.

The spelling of 252505023 in words is "two hundred fifty-two million, five hundred five thousand, twenty-three".

Divisors: 1 3 84168341 252505023