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523455368 = 2380892
BaseRepresentation
bin11111001100110…
…100101110001000
31100110222021202212
4133030310232020
52033001032433
6123535244252
715654203642
oct3714645610
91313867685
10523455368
11249527847
12127379688
13845a8207
144d73d892
1530e4cd48
hex1f334b88

523455368 has 12 divisors (see below), whose sum is σ = 981600165. Its totient is φ = 261695328.

The previous prime is 523455349. The next prime is 523455379. The reversal of 523455368 is 863554325.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 318908164 + 204547204 = 17858^2 + 14302^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=16178.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 60668 + ... + 68756.

Almost surely, 2523455368 is an apocalyptic number.

It is an amenable number.

523455368 is a deficient number, since it is larger than the sum of its proper divisors (458144797).

523455368 is an frugal number, since it uses more digits than its factorization.

523455368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16184 (or 8091 counting only the distinct ones).

The product of its digits is 432000, while the sum is 41.

The square root of 523455368 is about 22879.1470120719. The cubic root of 523455368 is about 805.9223859898.

The spelling of 523455368 in words is "five hundred twenty-three million, four hundred fifty-five thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 8089 16178 32356 64712 65431921 130863842 261727684 523455368