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252314947 = 2339107873
BaseRepresentation
bin11110000101000…
…00010101000011
3122120202221001001
433002200111003
51004043034242
641011552431
76152433043
oct1702402503
9576687031
10252314947
1111a474a55
12705bb717
13403732b1
142571d723
151723eeb7
hexf0a0543

252314947 has 4 divisors (see below), whose sum is σ = 252425160. Its totient is φ = 252204736.

The previous prime is 252314747. The next prime is 252314957. The reversal of 252314947 is 749413252.

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 252314947 - 215 = 252282179 is a prime.

It is a super-2 number, since 2×2523149472 = 127325664959225618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252314957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51598 + ... + 56275.

It is an arithmetic number, because the mean of its divisors is an integer number (63106290).

Almost surely, 2252314947 is an apocalyptic number.

252314947 is a deficient number, since it is larger than the sum of its proper divisors (110213).

252314947 is a wasteful number, since it uses less digits than its factorization.

252314947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110212.

The product of its digits is 60480, while the sum is 37.

The square root of 252314947 is about 15884.4246669497. The cubic root of 252314947 is about 631.8989875881.

The spelling of 252314947 in words is "two hundred fifty-two million, three hundred fourteen thousand, nine hundred forty-seven".

Divisors: 1 2339 107873 252314947