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242300869 = 387762497
BaseRepresentation
bin11100111000100…
…11011111000101
3121212221011022021
432130103133011
5444012111434
640013203141
76001344346
oct1634233705
9555834267
10242300869
11114855258
12691904b1
133b2781c5
14242740cd
1516412cb4
hexe7137c5

242300869 has 4 divisors (see below), whose sum is σ = 242367244. Its totient is φ = 242234496.

The previous prime is 242300833. The next prime is 242300879. The reversal of 242300869 is 968003242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74909025 + 167391844 = 8655^2 + 12938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242300869 is a prime.

It is a super-2 number, since 2×2423008692 = 117419422236310322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242300819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27372 + ... + 35125.

It is an arithmetic number, because the mean of its divisors is an integer number (60591811).

Almost surely, 2242300869 is an apocalyptic number.

It is an amenable number.

242300869 is a deficient number, since it is larger than the sum of its proper divisors (66375).

242300869 is an equidigital number, since it uses as much as digits as its factorization.

242300869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66374.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 242300869 is about 15566.0164782130. The cubic root of 242300869 is about 623.4261148236.

The spelling of 242300869 in words is "two hundred forty-two million, three hundred thousand, eight hundred sixty-nine".

Divisors: 1 3877 62497 242300869