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252320455 = 588756893
BaseRepresentation
bin11110000101000…
…01101011000111
3122120210012121001
433002201223013
51004043223310
641012034131
76152455102
oct1702415307
9576705531
10252320455
1111a479102
1270602947
134037595a
1425721739
151724193a
hexf0a1ac7

252320455 has 8 divisors (see below), whose sum is σ = 303131232. Its totient is φ = 201625248.

The previous prime is 252320441. The next prime is 252320473. The reversal of 252320455 is 554023252.

252320455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 252320455 - 25 = 252320423 is a prime.

It is a super-2 number, since 2×2523204552 = 127331224022814050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24012 + ... + 32881.

It is an arithmetic number, because the mean of its divisors is an integer number (37891404).

Almost surely, 2252320455 is an apocalyptic number.

252320455 is a deficient number, since it is larger than the sum of its proper divisors (50810777).

252320455 is an equidigital number, since it uses as much as digits as its factorization.

252320455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57785.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 252320455 is about 15884.5980433878. The cubic root of 252320455 is about 631.9035856435.

The spelling of 252320455 in words is "two hundred fifty-two million, three hundred twenty thousand, four hundred fifty-five".

Divisors: 1 5 887 4435 56893 284465 50464091 252320455