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242530771 = 750096917
BaseRepresentation
bin11100111010010…
…11100111010011
3121220100211200011
432131023213103
5444041441041
640022135351
76003322540
oct1635134723
9556324604
10242530771
111149a1a5a
1269281557
133b328a42
14242d3bc7
151645ae81
hexe74b9d3

242530771 has 8 divisors (see below), whose sum is σ = 277273440. Its totient is φ = 207811968.

The previous prime is 242530759. The next prime is 242530781. The reversal of 242530771 is 177035242.

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

It is not a de Polignac number, because 242530771 - 211 = 242528723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242530751) by changing a digit.

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, 31605 + ... + 38521.

It is an arithmetic number, because the mean of its divisors is an integer number (34659180).

Almost surely, 2242530771 is an apocalyptic number.

242530771 is a deficient number, since it is larger than the sum of its proper divisors (34742669).

242530771 is an equidigital number, since it uses as much as digits as its factorization.

242530771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11933.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 242530771 is about 15573.3994683242. The cubic root of 242530771 is about 623.6232273422.

The spelling of 242530771 in words is "two hundred forty-two million, five hundred thirty thousand, seven hundred seventy-one".

Divisors: 1 7 5009 6917 35063 48419 34647253 242530771