Base | Representation |
---|---|
bin | 1110110011101000… |
… | …10101011100011100 |
3 | 202112000002102212022 |
4 | 13121310111130130 |
5 | 112240012424432 |
6 | 3352445555312 |
7 | 400664203430 |
oct | 73164253434 |
9 | 22460072768 |
10 | 7949342492 |
11 | 340a218743 |
12 | 165a275b38 |
13 | 998bb7670 |
14 | 555a7c9c0 |
15 | 317d40b12 |
hex | 1d9d1571c |
7949342492 has 24 divisors (see below), whose sum is σ = 17121661536. Its totient is φ = 3144794688.
The previous prime is 7949342491. The next prime is 7949342497. The reversal of 7949342492 is 2942439497.
It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7949342491) 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, 10919063 + ... + 10919790.
It is an arithmetic number, because the mean of its divisors is an integer number (713402564).
Almost surely, 27949342492 is an apocalyptic number.
It is an amenable number.
7949342492 is an abundant number, since it is smaller than the sum of its proper divisors (9172319044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7949342492 is a wasteful number, since it uses less digits than its factorization.
7949342492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21838877 (or 21838875 counting only the distinct ones).
The product of its digits is 3919104, while the sum is 53.
The square root of 7949342492 is about 89159.0853026207. The cubic root of 7949342492 is about 1995.7695991634.
The spelling of 7949342492 in words is "seven billion, nine hundred forty-nine million, three hundred forty-two thousand, four hundred ninety-two".
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