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252283407 = 3304927581
BaseRepresentation
bin11110000100110…
…00101000001111
3122120201022202220
433002120220033
51004041032112
641011150423
76152242065
oct1702305017
9576638686
10252283407
1111a453292
12705a5413
1340361b2c
1425712035
151723598c
hexf098a0f

252283407 has 8 divisors (see below), whose sum is σ = 336500400. Its totient is φ = 168127680.

The previous prime is 252283403. The next prime is 252283433. The reversal of 252283407 is 704382252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252283407 - 22 = 252283403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252283403) 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 7 ways as a sum of consecutive naturals, for example, 4644 + ... + 22937.

It is an arithmetic number, because the mean of its divisors is an integer number (42062550).

Almost surely, 2252283407 is an apocalyptic number.

252283407 is a deficient number, since it is larger than the sum of its proper divisors (84216993).

252283407 is a wasteful number, since it uses less digits than its factorization.

252283407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30633.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 252283407 is about 15883.4318394987. The cubic root of 252283407 is about 631.8726568392.

The spelling of 252283407 in words is "two hundred fifty-two million, two hundred eighty-three thousand, four hundred seven".

Divisors: 1 3 3049 9147 27581 82743 84094469 252283407