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613239142 = 22767110813
BaseRepresentation
bin100100100011010…
…100100101100110
31120201220202221211
4210203110211212
52223442123032
6140503502034
721124306135
oct4443244546
91521822854
10613239142
1129518070a
1215145791a
139a0828c9
145b63191c
1538c85747
hex248d4966

613239142 has 8 divisors (see below), whose sum is σ = 920199456. Its totient is φ = 306505992.

The previous prime is 613239139. The next prime is 613239163. The reversal of 613239142 is 241932316.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49873 + ... + 60940.

It is an arithmetic number, because the mean of its divisors is an integer number (115024932).

Almost surely, 2613239142 is an apocalyptic number.

613239142 is a deficient number, since it is larger than the sum of its proper divisors (306960314).

613239142 is a wasteful number, since it uses less digits than its factorization.

613239142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113582.

The product of its digits is 7776, while the sum is 31.

The square root of 613239142 is about 24763.6657625643. The cubic root of 613239142 is about 849.5911029834.

The spelling of 613239142 in words is "six hundred thirteen million, two hundred thirty-nine thousand, one hundred forty-two".

Divisors: 1 2 2767 5534 110813 221626 306619571 613239142