Base | Representation |
---|---|
bin | 1000011000010111… |
… | …0111001011100110 |
3 | 12210210011202212000 |
4 | 2012011313023212 |
5 | 14101404334221 |
6 | 1011122310130 |
7 | 106514665365 |
oct | 20605671346 |
9 | 5723152760 |
10 | 2249683686 |
11 | a54984718 |
12 | 5294b8346 |
13 | 29b108aa3 |
14 | 174ad17dc |
15 | d2782e26 |
hex | 861772e6 |
2249683686 has 32 divisors (see below), whose sum is σ = 5093629920. Its totient is φ = 735744672.
The previous prime is 2249683673. The next prime is 2249683687. The reversal of 2249683686 is 6863869422.
2249683686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×22496836862 = 10122153374109093192, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2249683687) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390165 + ... + 395888.
It is an arithmetic number, because the mean of its divisors is an integer number (159175935).
Almost surely, 22249683686 is an apocalyptic number.
2249683686 is an abundant number, since it is smaller than the sum of its proper divisors (2843946234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2249683686 is a wasteful number, since it uses less digits than its factorization.
2249683686 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 786117 (or 786111 counting only the distinct ones).
The product of its digits is 5971968, while the sum is 54.
The square root of 2249683686 is about 47430.8305430128. The cubic root of 2249683686 is about 1310.3092885086.
The spelling of 2249683686 in words is "two billion, two hundred forty-nine million, six hundred eighty-three thousand, six hundred eighty-six".
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