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243345968 = 2471214213
BaseRepresentation
bin11101000000100…
…10101000110000
3121221220020220122
432200102220300
5444244032333
640051425412
76013256315
oct1640225060
9557806818
10243345968
111153a9478
12695b5268
133b552ac8
1424466d0c
151656c798
hexe812a30

243345968 has 20 divisors (see below), whose sum is σ = 478125648. Its totient is φ = 119958720.

The previous prime is 243345967. The next prime is 243345979. The reversal of 243345968 is 869543342.

It is not an unprimeable number, because it can be changed into a prime (243345961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105971 + ... + 108242.

Almost surely, 2243345968 is an apocalyptic number.

It is an amenable number.

243345968 is a deficient number, since it is larger than the sum of its proper divisors (234779680).

243345968 is a wasteful number, since it uses less digits than its factorization.

243345968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214292 (or 214286 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The square root of 243345968 is about 15599.5502499271. The cubic root of 243345968 is about 624.3211556328.

The spelling of 243345968 in words is "two hundred forty-three million, three hundred forty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 71 142 284 568 1136 214213 428426 856852 1713704 3427408 15209123 30418246 60836492 121672984 243345968