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613042297 = 7613142867
BaseRepresentation
bin100100100010100…
…100100001111001
31120201112202221021
4210202210201321
52223414323142
6140455342441
721122526220
oct4442444171
91521482837
10613042297
1129505682a
12151381a21
139a01412a
145b5bdcb7
1538c47267
hex248a4879

613042297 has 8 divisors (see below), whose sum is σ = 701767616. Its totient is φ = 524603952.

The previous prime is 613042279. The next prime is 613042303. The reversal of 613042297 is 792240316.

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 613042297 - 27 = 613042169 is a prime.

It is a super-2 number, since 2×6130422972 = 751641715822072418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613042597) 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, 67143 + ... + 75724.

It is an arithmetic number, because the mean of its divisors is an integer number (87720952).

Almost surely, 2613042297 is an apocalyptic number.

It is an amenable number.

613042297 is a deficient number, since it is larger than the sum of its proper divisors (88725319).

613042297 is a wasteful number, since it uses less digits than its factorization.

613042297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143487.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 613042297 is about 24759.6909714156. The cubic root of 613042297 is about 849.5001892075.

The spelling of 613042297 in words is "six hundred thirteen million, forty-two thousand, two hundred ninety-seven".

Divisors: 1 7 613 4291 142867 1000069 87577471 613042297