Base | Representation |
---|---|
bin | 100111110110… |
… | …0110110110110 |
3 | 1110022110221220 |
4 | 1033230312312 |
5 | 20322034420 |
6 | 2023451210 |
7 | 342405600 |
oct | 117546666 |
9 | 43273856 |
10 | 20893110 |
11 | 10880337 |
12 | 6bb6b06 |
13 | 4436ab4 |
14 | 2abc170 |
15 | 1c7a840 |
hex | 13ecdb6 |
20893110 has 96 divisors (see below), whose sum is σ = 59540832. Its totient is φ = 4677120.
The previous prime is 20893109. The next prime is 20893127. The reversal of 20893110 is 1139802.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89554 + ... + 89786.
It is an arithmetic number, because the mean of its divisors is an integer number (620217).
Almost surely, 220893110 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20893110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29770416).
20893110 is an abundant number, since it is smaller than the sum of its proper divisors (38647722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20893110 is a wasteful number, since it uses less digits than its factorization.
20893110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 318 (or 311 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 24.
The square root of 20893110 is about 4570.8981611933. The cubic root of 20893110 is about 275.4235237107.
The spelling of 20893110 in words is "twenty million, eight hundred ninety-three thousand, one hundred ten".
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