Base | Representation |
---|---|
bin | 11101000110111… |
… | …00100001010000 |
3 | 122000110021020000 |
4 | 32203130201100 |
5 | 1000002013010 |
6 | 40121250000 |
7 | 6023302200 |
oct | 1643344120 |
9 | 560407200 |
10 | 244172880 |
11 | 115913776 |
12 | 69933900 |
13 | 3b7822c3 |
14 | 24600400 |
15 | 166827c0 |
hex | e8dc850 |
244172880 has 300 divisors, whose sum is σ = 987788340. Its totient is φ = 55738368.
The previous prime is 244172869. The next prime is 244172893. The reversal of 244172880 is 88271442.
It can be written as a sum of positive squares in 2 ways, for example, as 91699776 + 152473104 = 9576^2 + 12348^2 .
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, 317136 + ... + 317904.
Almost surely, 2244172880 is an apocalyptic number.
244172880 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 244172880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493894170).
244172880 is an abundant number, since it is smaller than the sum of its proper divisors (743615460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
244172880 is a wasteful number, since it uses less digits than its factorization.
244172880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 808 (or 786 counting only the distinct ones).
The product of its (nonzero) digits is 28672, while the sum is 36.
The square root of 244172880 is about 15626.0321259109. The cubic root of 244172880 is about 625.0275230546.
The spelling of 244172880 in words is "two hundred forty-four million, one hundred seventy-two thousand, eight hundred eighty".
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