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242284587 = 319722081
BaseRepresentation
bin11100111000011…
…11100000101011
3121212220022222020
432130033200223
5444011101322
640012555523
76001246026
oct1634174053
9555808866
10242284587
11114843aa6
1269182ba3
133b27097c
142426c1bd
151640d05c
hexe70f82b

242284587 has 12 divisors (see below), whose sum is σ = 324850296. Its totient is φ = 160625920.

The previous prime is 242284583. The next prime is 242284607. The reversal of 242284587 is 785482242.

It is not a de Polignac number, because 242284587 - 22 = 242284583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242284583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115387 + ... + 117467.

It is an arithmetic number, because the mean of its divisors is an integer number (27070858).

Almost surely, 2242284587 is an apocalyptic number.

242284587 is a deficient number, since it is larger than the sum of its proper divisors (82565709).

242284587 is an equidigital number, since it uses as much as digits as its factorization.

242284587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478 (or 2281 counting only the distinct ones).

The product of its digits is 286720, while the sum is 42.

The square root of 242284587 is about 15565.4934711367. The cubic root of 242284587 is about 623.4121502962.

The spelling of 242284587 in words is "two hundred forty-two million, two hundred eighty-four thousand, five hundred eighty-seven".

Divisors: 1 3 197 591 2081 6243 38809 116427 409957 1229871 80761529 242284587