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242581067 = 997243311
BaseRepresentation
bin11100111010101…
…11111001001011
3121220110101122222
432131113321023
5444100043232
640023204255
76003622301
oct1635277113
9556411588
10242581067
11114a26823
12692a668b
133b3458c1
1424308271
151646ad12
hexe757e4b

242581067 has 4 divisors (see below), whose sum is σ = 242825376. Its totient is φ = 242336760.

The previous prime is 242581063. The next prime is 242581081. The reversal of 242581067 is 760185242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242581067 - 22 = 242581063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242581061) 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, 120659 + ... + 122652.

It is an arithmetic number, because the mean of its divisors is an integer number (60706344).

Almost surely, 2242581067 is an apocalyptic number.

242581067 is a deficient number, since it is larger than the sum of its proper divisors (244309).

242581067 is an equidigital number, since it uses as much as digits as its factorization.

242581067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244308.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 242581067 is about 15575.0141893996. The cubic root of 242581067 is about 623.6663333307. Note that the first 3 decimals are identical.

The spelling of 242581067 in words is "two hundred forty-two million, five hundred eighty-one thousand, sixty-seven".

Divisors: 1 997 243311 242581067