Base | Representation |
---|---|
bin | 110011000001… |
… | …0011001000001 |
3 | 1212022222000111 |
4 | 1212002121001 |
5 | 23321422411 |
6 | 2353151321 |
7 | 443233624 |
oct | 146023101 |
9 | 55288014 |
10 | 26748481 |
11 | 1410a591 |
12 | 8b5b541 |
13 | 5707006 |
14 | 37a3dbb |
15 | 2535721 |
hex | 1982641 |
26748481 has 4 divisors (see below), whose sum is σ = 26763264. Its totient is φ = 26733700.
The previous prime is 26748479. The next prime is 26748487. The reversal of 26748481 is 18484762.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18484762 = 2 ⋅9242381.
It is a cyclic number.
It is not a de Polignac number, because 26748481 - 21 = 26748479 is a prime.
It is a super-2 number, since 2×267484812 = 1430962471614722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (26748487) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4225 + ... + 8446.
It is an arithmetic number, because the mean of its divisors is an integer number (6690816).
Almost surely, 226748481 is an apocalyptic number.
It is an amenable number.
26748481 is a deficient number, since it is larger than the sum of its proper divisors (14783).
26748481 is a wasteful number, since it uses less digits than its factorization.
26748481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14782.
The product of its digits is 86016, while the sum is 40.
The square root of 26748481 is about 5171.8933670369. The cubic root of 26748481 is about 299.0655404548.
The spelling of 26748481 in words is "twenty-six million, seven hundred forty-eight thousand, four hundred eighty-one".
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