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242646315 = 3521317591
BaseRepresentation
bin11100111011001…
…11110100101011
3121220120201011120
432131213310223
5444104140230
640024430323
76004313442
oct1635476453
9556521146
10242646315
11114a7084a
12693183a3
133b369502
1424323d59
1516480310
hexe767d2b

242646315 has 16 divisors (see below), whose sum is σ = 388467456. Its totient is φ = 129333600.

The previous prime is 242646301. The next prime is 242646319. The reversal of 242646315 is 513646242.

It is not a de Polignac number, because 242646315 - 28 = 242646059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242646319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28170 + ... + 35760.

It is an arithmetic number, because the mean of its divisors is an integer number (24279216).

Almost surely, 2242646315 is an apocalyptic number.

242646315 is a deficient number, since it is larger than the sum of its proper divisors (145821141).

242646315 is a wasteful number, since it uses less digits than its factorization.

242646315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9730.

The product of its digits is 34560, while the sum is 33.

The square root of 242646315 is about 15577.1086855039. The cubic root of 242646315 is about 623.7222449943.

The spelling of 242646315 in words is "two hundred forty-two million, six hundred forty-six thousand, three hundred fifteen".

Divisors: 1 3 5 15 2131 6393 7591 10655 22773 31965 37955 113865 16176421 48529263 80882105 242646315