Base | Representation |
---|---|
bin | 110011011101… |
… | …1001111001101 |
3 | 1212202210102100 |
4 | 1212323033031 |
5 | 23401400300 |
6 | 2402145313 |
7 | 445223520 |
oct | 146731715 |
9 | 55683370 |
10 | 26981325 |
11 | 14259518 |
12 | 9052239 |
13 | 5788ca7 |
14 | 3824bb7 |
15 | 257e700 |
hex | 19bb3cd |
26981325 has 72 divisors (see below), whose sum is σ = 56845568. Its totient is φ = 11975040.
The previous prime is 26981303. The next prime is 26981333. The reversal of 26981325 is 52318962.
It is not a de Polignac number, because 26981325 - 210 = 26980301 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 26981325.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 58044 + ... + 58506.
Almost surely, 226981325 is an apocalyptic number.
26981325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
26981325 is an abundant number, since it is smaller than the sum of its proper divisors (29864243).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26981325 is a wasteful number, since it uses less digits than its factorization.
26981325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 523 (or 515 counting only the distinct ones).
The product of its digits is 25920, while the sum is 36.
The square root of 26981325 is about 5194.3551091546. The cubic root of 26981325 is about 299.9308173804.
The spelling of 26981325 in words is "twenty-six million, nine hundred eighty-one thousand, three hundred twenty-five".
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