Base | Representation |
---|---|
bin | 110011011011… |
… | …001110011101 |
3 | 221100220021011 |
4 | 303123032131 |
5 | 11422341421 |
6 | 1200535221 |
7 | 222404542 |
oct | 63331635 |
9 | 27326234 |
10 | 13480861 |
11 | 7678409 |
12 | 4621511 |
13 | 2a40054 |
14 | 1b0cbc9 |
15 | 12b44e1 |
hex | cdb39d |
13480861 has 4 divisors (see below), whose sum is σ = 14190400. Its totient is φ = 12771324.
The previous prime is 13480843. The next prime is 13480867. The reversal of 13480861 is 16808431.
13480861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13480861 is a prime.
It is a super-2 number, since 2×134808612 = 363467226602642, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13480867) 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, 354741 + ... + 354778.
It is an arithmetic number, because the mean of its divisors is an integer number (3547600).
Almost surely, 213480861 is an apocalyptic number.
It is an amenable number.
13480861 is a deficient number, since it is larger than the sum of its proper divisors (709539).
13480861 is an equidigital number, since it uses as much as digits as its factorization.
13480861 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 709538.
The product of its (nonzero) digits is 4608, while the sum is 31.
The square root of 13480861 is about 3671.6292024114. The cubic root of 13480861 is about 237.9975813609.
It can be divided in two parts, 13480 and 861, that added together give a palindrome (14341).
The spelling of 13480861 in words is "thirteen million, four hundred eighty thousand, eight hundred sixty-one".
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