Base | Representation |
---|---|
bin | 11101001111100… |
… | …01011000000000 |
3 | 122002120212210000 |
4 | 32213301120000 |
5 | 1000244310010 |
6 | 40201440000 |
7 | 6036034260 |
oct | 1647613000 |
9 | 562525700 |
10 | 245306880 |
11 | 116518765 |
12 | 6a1a0000 |
13 | 3ba8b500 |
14 | 248177a0 |
15 | 168087c0 |
hex | e9f1600 |
245306880 has 600 divisors, whose sum is σ = 1087309872. Its totient is φ = 51757056.
The previous prime is 245306849. The next prime is 245306921. The reversal of 245306880 is 88603542.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 18869754 + ... + 18869766.
Almost surely, 2245306880 is an apocalyptic number.
245306880 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 245306880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543654936).
245306880 is an abundant number, since it is smaller than the sum of its proper divisors (842002992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245306880 is an equidigital number, since it uses as much as digits as its factorization.
245306880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68 (or 30 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 245306880 is about 15662.2756967179. The cubic root of 245306880 is about 625.9936237684.
The spelling of 245306880 in words is "two hundred forty-five million, three hundred six thousand, eight hundred eighty".
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