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242302513 = 1723072731
BaseRepresentation
bin11100111000100…
…11111000110001
3121212221020120011
432130103320301
5444012140023
640013214521
76001352215
oct1634237061
9555836504
10242302513
11114856512
1269191441
133b278b8b
1424274945
151641350d
hexe713e31

242302513 has 12 divisors (see below), whose sum is σ = 258326992. Its totient is φ = 227223360.

The previous prime is 242302507. The next prime is 242302517. The reversal of 242302513 is 315203242.

It is a de Polignac number, because none of the positive numbers 2k-242302513 is a prime.

It is a super-2 number, since 2×2423025132 = 117421015612230338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242302517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87358 + ... + 90088.

Almost surely, 2242302513 is an apocalyptic number.

It is an amenable number.

242302513 is a deficient number, since it is larger than the sum of its proper divisors (16024479).

242302513 is a wasteful number, since it uses less digits than its factorization.

242302513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072 (or 3055 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 242302513 is about 15566.0692854683. The cubic root of 242302513 is about 623.4275247927.

Adding to 242302513 its reverse (315203242), we get a palindrome (557505755).

The spelling of 242302513 in words is "two hundred forty-two million, three hundred two thousand, five hundred thirteen".

Divisors: 1 17 289 307 2731 5219 46427 88723 789259 838417 14253089 242302513