Base | Representation |
---|---|
bin | 11101101101101… |
… | …10100010000000 |
3 | 122101000201122210 |
4 | 32312312202000 |
5 | 1002302311120 |
6 | 40422302120 |
7 | 6114451002 |
oct | 1666664200 |
9 | 571021583 |
10 | 249260160 |
11 | 118778936 |
12 | 6b587940 |
13 | 3c843a26 |
14 | 25166372 |
15 | 16d39ce0 |
hex | edb6880 |
249260160 has 128 divisors (see below), whose sum is σ = 799761600. Its totient is φ = 66031616.
The previous prime is 249260159. The next prime is 249260173. The reversal of 249260160 is 61062942.
249260160 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377911 + ... + 378569.
Almost surely, 2249260160 is an apocalyptic number.
249260160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 249260160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399880800).
249260160 is an abundant number, since it is smaller than the sum of its proper divisors (550501440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
249260160 is a wasteful number, since it uses less digits than its factorization.
249260160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 878 (or 866 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 249260160 is about 15787.9751709964. The cubic root of 249260160 is about 629.3384842695.
The spelling of 249260160 in words is "two hundred forty-nine million, two hundred sixty thousand, one hundred sixty".
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