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242310513 = 391188661
BaseRepresentation
bin11100111000101…
…01110101110001
3121212221122112110
432130111311301
5444012414023
640013315533
76001414434
oct1634256561
9555848473
10242310513
11114861525
1269195ba9
133b27c703
142427781b
1516415a93
hexe715d71

242310513 has 8 divisors (see below), whose sum is σ = 323438976. Its totient is φ = 161361200.

The previous prime is 242310511. The next prime is 242310527. The reversal of 242310513 is 315013242.

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

It is a cyclic number.

It is not a de Polignac number, because 242310513 - 21 = 242310511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242310513.

It is not an unprimeable number, because it can be changed into a prime (242310511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41598 + ... + 47063.

It is an arithmetic number, because the mean of its divisors is an integer number (40429872).

Almost surely, 2242310513 is an apocalyptic number.

It is an amenable number.

242310513 is a deficient number, since it is larger than the sum of its proper divisors (81128463).

242310513 is an equidigital number, since it uses as much as digits as its factorization.

242310513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89575.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 242310513 is about 15566.3262525234. The cubic root of 242310513 is about 623.4343858652.

Adding to 242310513 its reverse (315013242), we get a palindrome (557323755).

The spelling of 242310513 in words is "two hundred forty-two million, three hundred ten thousand, five hundred thirteen".

Divisors: 1 3 911 2733 88661 265983 80770171 242310513