Base | Representation |
---|---|
bin | 110010110100… |
… | …0011001001000 |
3 | 1212010112221110 |
4 | 1211220121020 |
5 | 23310020432 |
6 | 2351010320 |
7 | 442311306 |
oct | 145503110 |
9 | 55115843 |
10 | 26641992 |
11 | 14047583 |
12 | 8b099a0 |
13 | 569a6c0 |
14 | 3777276 |
15 | 2513dcc |
hex | 1968648 |
26641992 has 64 divisors (see below), whose sum is σ = 75962880. Its totient is φ = 7713792.
The previous prime is 26641973. The next prime is 26641999. The reversal of 26641992 is 29914662.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 26641992.
It is not an unprimeable number, because it can be changed into a prime (26641999) 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, 2793 + ... + 7815.
It is an arithmetic number, because the mean of its divisors is an integer number (1186920).
Almost surely, 226641992 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 26641992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37981440).
26641992 is an abundant number, since it is smaller than the sum of its proper divisors (49320888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26641992 is a wasteful number, since it uses less digits than its factorization.
26641992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5062 (or 5058 counting only the distinct ones).
The product of its digits is 46656, while the sum is 39.
The square root of 26641992 is about 5161.5881276987. The cubic root of 26641992 is about 298.6681403609.
It can be divided in two parts, 2664 and 1992, that added together give a triangular number (4656 = T96).
The spelling of 26641992 in words is "twenty-six million, six hundred forty-one thousand, nine hundred ninety-two".
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