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242098779 = 31319893671
BaseRepresentation
bin11100110111000…
…10001001011011
3121212112220002110
432123202021123
5443434130104
640005003403
75666543226
oct1633421133
9555486073
10242098779
1111472743a
12690b3563
133b207220
14242205bd
15163c2e89
hexe6e225b

242098779 has 32 divisors (see below), whose sum is σ = 370137600. Its totient is φ = 139518720.

The previous prime is 242098721. The next prime is 242098783. The reversal of 242098779 is 977890242.

It is not a de Polignac number, because 242098779 - 213 = 242090587 is a prime.

It is a super-2 number, since 2×2420987792 = 117223637586581682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242098709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64114 + ... + 67784.

It is an arithmetic number, because the mean of its divisors is an integer number (11566800).

Almost surely, 2242098779 is an apocalyptic number.

242098779 is a deficient number, since it is larger than the sum of its proper divisors (128038821).

242098779 is a wasteful number, since it uses less digits than its factorization.

242098779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 242098779 is about 15559.5237394979. The cubic root of 242098779 is about 623.2527446565.

The spelling of 242098779 in words is "two hundred forty-two million, ninety-eight thousand, seven hundred seventy-nine".

Divisors: 1 3 13 19 39 57 89 247 267 741 1157 1691 3471 3671 5073 11013 21983 47723 65949 69749 143169 209247 326719 906737 980157 2720211 4247347 6207661 12742041 18622983 80699593 242098779