Base | Representation |
---|---|
bin | 11101101110010… |
… | …10011111100100 |
3 | 122101011212211002 |
4 | 32313022133210 |
5 | 1002312420144 |
6 | 40424132432 |
7 | 6115241246 |
oct | 1667123744 |
9 | 571155732 |
10 | 249341924 |
11 | 118824307 |
12 | 6b607118 |
13 | 3c872000 |
14 | 25188096 |
15 | 16d5414e |
hex | edca7e4 |
249341924 has 48 divisors (see below), whose sum is σ = 500799600. Its totient is φ = 108246528.
The previous prime is 249341899. The next prime is 249341977. The reversal of 249341924 is 429143942.
It can be written as a sum of positive squares in 8 ways, for example, as 131836324 + 117505600 = 11482^2 + 10840^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148562 + ... + 150230.
It is an arithmetic number, because the mean of its divisors is an integer number (10433325).
Almost surely, 2249341924 is an apocalyptic number.
It is an amenable number.
249341924 is an abundant number, since it is smaller than the sum of its proper divisors (251457676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
249341924 is a wasteful number, since it uses less digits than its factorization.
249341924 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1729 (or 1701 counting only the distinct ones).
The product of its digits is 62208, while the sum is 38.
The square root of 249341924 is about 15790.5643977662. The cubic root of 249341924 is about 629.4072900324.
The spelling of 249341924 in words is "two hundred forty-nine million, three hundred forty-one thousand, nine hundred twenty-four".
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