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242580705 = 3516172047
BaseRepresentation
bin11100111010101…
…11110011100001
3121220110101011120
432131113303201
5444100040310
640023202453
76003621243
oct1635276341
9556411146
10242580705
11114a26524
12692a6429
133b3456a3
1424308093
151646ab70
hexe757ce1

242580705 has 8 divisors (see below), whose sum is σ = 388129152. Its totient is φ = 129376368.

The previous prime is 242580661. The next prime is 242580731. The reversal of 242580705 is 507085242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242580705 - 29 = 242580193 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8086009 + ... + 8086038.

It is an arithmetic number, because the mean of its divisors is an integer number (48516144).

Almost surely, 2242580705 is an apocalyptic number.

It is an amenable number.

242580705 is a deficient number, since it is larger than the sum of its proper divisors (145548447).

242580705 is a wasteful number, since it uses less digits than its factorization.

242580705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16172055.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 242580705 is about 15575.0025682181. The cubic root of 242580705 is about 623.6660231013. Note that the first 3 decimals are identical.

The spelling of 242580705 in words is "two hundred forty-two million, five hundred eighty thousand, seven hundred five".

Divisors: 1 3 5 15 16172047 48516141 80860235 242580705