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252323663 = 318139473
BaseRepresentation
bin11110000101000…
…10011101001111
3122120210100222212
433002202131033
51004043324123
641012101035
76152500334
oct1702423517
9576710885
10252323663
1111a480559
127060477b
1340377257
142572298b
1517242878
hexf0a274f

252323663 has 4 divisors (see below), whose sum is σ = 260463168. Its totient is φ = 244184160.

The previous prime is 252323653. The next prime is 252323671. The reversal of 252323663 is 366323252.

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 252323663 - 24 = 252323647 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 (252323653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4069706 + ... + 4069767.

It is an arithmetic number, because the mean of its divisors is an integer number (65115792).

Almost surely, 2252323663 is an apocalyptic number.

252323663 is a deficient number, since it is larger than the sum of its proper divisors (8139505).

252323663 is an equidigital number, since it uses as much as digits as its factorization.

252323663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8139504.

The product of its digits is 38880, while the sum is 32.

The square root of 252323663 is about 15884.6990213853. The cubic root of 252323663 is about 631.9062636376.

The spelling of 252323663 in words is "two hundred fifty-two million, three hundred twenty-three thousand, six hundred sixty-three".

Divisors: 1 31 8139473 252323663