Base | Representation |
---|---|
bin | 100100100101110… |
… | …110001010101001 |
3 | 1120210011101210221 |
4 | 210211312022221 |
5 | 2224124312334 |
6 | 140530010041 |
7 | 21133033513 |
oct | 4445661251 |
9 | 1523141727 |
10 | 613900969 |
11 | 295592980 |
12 | 151716921 |
13 | 9a254c16 |
14 | 5b764bb3 |
15 | 38d668b4 |
hex | 249762a9 |
613900969 has 8 divisors (see below), whose sum is σ = 670288608. Its totient is φ = 557609760.
The previous prime is 613900939. The next prime is 613900979. The reversal of 613900969 is 969009316.
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 613900969 - 29 = 613900457 is a prime.
It is a super-2 number, since 2×6139009692 = 753748799478277922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (613900939) 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, 10452 + ... + 36565.
It is an arithmetic number, because the mean of its divisors is an integer number (83786076).
Almost surely, 2613900969 is an apocalyptic number.
It is an amenable number.
613900969 is a deficient number, since it is larger than the sum of its proper divisors (56387639).
613900969 is a wasteful number, since it uses less digits than its factorization.
613900969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48215.
The product of its (nonzero) digits is 78732, while the sum is 43.
The square root of 613900969 is about 24777.0250231944. The cubic root of 613900969 is about 849.8966282595.
The spelling of 613900969 in words is "six hundred thirteen million, nine hundred thousand, nine hundred sixty-nine".
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