Base | Representation |
---|---|
bin | 11101000110100… |
… | …10010001000000 |
3 | 122000101010121110 |
4 | 32203102101000 |
5 | 444444142010 |
6 | 40120323320 |
7 | 6023035560 |
oct | 1643222100 |
9 | 560333543 |
10 | 244130880 |
11 | 115895164 |
12 | 69913540 |
13 | 3b769156 |
14 | 245ccda0 |
15 | 16675120 |
hex | e8d2440 |
244130880 has 224 divisors, whose sum is σ = 938393856. Its totient is φ = 52494336.
The previous prime is 244130869. The next prime is 244130891. The reversal of 244130880 is 88031442.
It is an interprime number because it is at equal distance from previous prime (244130869) and next prime (244130891).
It is a tau number, because it is divible by the number of its divisors (224).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113172 + ... + 115308.
Almost surely, 2244130880 is an apocalyptic number.
244130880 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 244130880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469196928).
244130880 is an abundant number, since it is smaller than the sum of its proper divisors (694262976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
244130880 is a wasteful number, since it uses less digits than its factorization.
244130880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2181 (or 2171 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 30.
The square root of 244130880 is about 15624.6881568881. The cubic root of 244130880 is about 624.9916841560.
The spelling of 244130880 in words is "two hundred forty-four million, one hundred thirty thousand, eight hundred eighty".
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