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230669975 = 5219261419
BaseRepresentation
bin11011011111110…
…11111010010111
3121002001020201102
431233323322113
5433022414400
634520020315
75500443134
oct1557737227
9532036642
10230669975
11109230848
126530169b
1338a35213
14228c758b
15153b69d5
hexdbfbe97

230669975 has 36 divisors (see below), whose sum is σ = 307558440. Its totient is φ = 171547200.

The previous prime is 230669953. The next prime is 230670007. The reversal of 230669975 is 579966032.

It is not a de Polignac number, because 230669975 - 212 = 230665879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 550316 + ... + 550734.

It is an arithmetic number, because the mean of its divisors is an integer number (8543290).

Almost surely, 2230669975 is an apocalyptic number.

230669975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

230669975 is a deficient number, since it is larger than the sum of its proper divisors (76888465).

230669975 is a wasteful number, since it uses less digits than its factorization.

230669975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 230669975 is about 15187.8232475888. The cubic root of 230669975 is about 613.2869019737.

The spelling of 230669975 in words is "two hundred thirty million, six hundred sixty-nine thousand, nine hundred seventy-five".

Divisors: 1 5 19 25 61 95 305 361 419 475 1159 1525 1805 2095 5795 7961 9025 10475 22021 25559 28975 39805 110105 127795 151259 199025 485621 550525 638975 756295 2428105 3781475 9226799 12140525 46133995 230669975