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243030864 = 2435395531
BaseRepresentation
bin11100111110001…
…01101101010000
3121221022020200010
432133011231100
5444203441424
640040554520
76010504536
oct1637055520
9557266603
10243030864
1111520375a
1269482a40
133b47255b
14243c4156
1516509229
hexe7c5b50

243030864 has 40 divisors (see below), whose sum is σ = 639682272. Its totient is φ = 79480960.

The previous prime is 243030859. The next prime is 243030871. The reversal of 243030864 is 468030342.

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, 45222 + ... + 50309.

Almost surely, 2243030864 is an apocalyptic number.

243030864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243030864 is an abundant number, since it is smaller than the sum of its proper divisors (396651408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243030864 is a wasteful number, since it uses less digits than its factorization.

243030864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95595 (or 95589 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 243030864 is about 15589.4471999491. The cubic root of 243030864 is about 624.0515654297.

The spelling of 243030864 in words is "two hundred forty-three million, thirty thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 53 106 159 212 318 424 636 848 1272 2544 95531 191062 286593 382124 573186 764248 1146372 1528496 2292744 4585488 5063143 10126286 15189429 20252572 30378858 40505144 60757716 81010288 121515432 243030864