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242911744 = 29474437
BaseRepresentation
bin11100111101010…
…00101000000000
3121221002012021021
432132220220000
5444141133434
640034235224
76006500335
oct1636505000
9557065237
10242911744
11115132209
1269425b14
133b43027a
142439298c
15164d3cb4
hexe7a8a00

242911744 has 20 divisors (see below), whose sum is σ = 485350074. Its totient is φ = 121455616.

The previous prime is 242911727. The next prime is 242911769. The reversal of 242911744 is 447119242.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 200505600 + 42406144 = 14160^2 + 6512^2 .

It is a super-2 number, since 2×2429117442 = 118012230746243072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236707 + ... + 237730.

Almost surely, 2242911744 is an apocalyptic number.

It is an amenable number.

242911744 is a deficient number, since it is larger than the sum of its proper divisors (242438330).

242911744 is an frugal number, since it uses more digits than its factorization.

242911744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474455 (or 474439 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 242911744 is about 15585.6261985202. The cubic root of 242911744 is about 623.9495904928.

The spelling of 242911744 in words is "two hundred forty-two million, nine hundred eleven thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 474437 948874 1897748 3795496 7590992 15181984 30363968 60727936 121455872 242911744