Base | Representation |
---|---|
bin | 110101000110001… |
… | …111111111011000 |
3 | 2022002020220010122 |
4 | 311012033333120 |
5 | 3311023041213 |
6 | 224221332412 |
7 | 31034636240 |
oct | 6506177730 |
9 | 2262226118 |
10 | 890830808 |
11 | 41793a40a |
12 | 20a407108 |
13 | 11273602a |
14 | 86450b20 |
15 | 53319d08 |
hex | 3518ffd8 |
890830808 has 64 divisors (see below), whose sum is σ = 2014502400. Its totient is φ = 360771840.
The previous prime is 890830741. The next prime is 890830813. The reversal of 890830808 is 808038098.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553541 + ... + 555147.
It is an arithmetic number, because the mean of its divisors is an integer number (31476600).
Almost surely, 2890830808 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 890830808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1007251200).
890830808 is an abundant number, since it is smaller than the sum of its proper divisors (1123671592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
890830808 is a wasteful number, since it uses less digits than its factorization.
890830808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2160 (or 2156 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 44.
The square root of 890830808 is about 29846.7889060113. The cubic root of 890830808 is about 962.1993872701.
The spelling of 890830808 in words is "eight hundred ninety million, eight hundred thirty thousand, eight hundred eight".
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