Base | Representation |
---|---|
bin | 110011011110… |
… | …1011010111001 |
3 | 1212210020200110 |
4 | 1212331122321 |
5 | 23402142030 |
6 | 2402254533 |
7 | 445261551 |
oct | 146753271 |
9 | 55706613 |
10 | 26990265 |
11 | 14265205 |
12 | 9057449 |
13 | 5790093 |
14 | 3828161 |
15 | 25821b0 |
hex | 19bd6b9 |
26990265 has 16 divisors (see below), whose sum is σ = 43288128. Its totient is φ = 14360256.
The previous prime is 26990263. The next prime is 26990269. The reversal of 26990265 is 56209962.
It is not a de Polignac number, because 26990265 - 21 = 26990263 is a prime.
It is not an unprimeable number, because it can be changed into a prime (26990261) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5079 + ... + 8931.
It is an arithmetic number, because the mean of its divisors is an integer number (2705508).
Almost surely, 226990265 is an apocalyptic number.
It is an amenable number.
26990265 is a deficient number, since it is larger than the sum of its proper divisors (16297863).
26990265 is a wasteful number, since it uses less digits than its factorization.
26990265 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4328.
The product of its (nonzero) digits is 58320, while the sum is 39.
The square root of 26990265 is about 5195.2155874420. The cubic root of 26990265 is about 299.9639401102.
The spelling of 26990265 in words is "twenty-six million, nine hundred ninety thousand, two hundred sixty-five".
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