Base | Representation |
---|---|
bin | 110011011001… |
… | …000011100101 |
3 | 221100110001222 |
4 | 303121003211 |
5 | 11422100343 |
6 | 1200430125 |
7 | 222336614 |
oct | 63310345 |
9 | 27313058 |
10 | 13471973 |
11 | 7671769 |
12 | 4618345 |
13 | 2a38ca8 |
14 | 1b0987b |
15 | 12b1a68 |
hex | cd90e5 |
13471973 has 8 divisors (see below), whose sum is σ = 14392728. Its totient is φ = 12565504.
The previous prime is 13471967. The next prime is 13471981. The reversal of 13471973 is 37917431.
13471973 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 2067844 + 11404129 = 1438^2 + 3377^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13471973 - 210 = 13470949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13471993) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1586 + ... + 5427.
It is an arithmetic number, because the mean of its divisors is an integer number (1799091).
Almost surely, 213471973 is an apocalyptic number.
It is an amenable number.
13471973 is a deficient number, since it is larger than the sum of its proper divisors (920755).
13471973 is a wasteful number, since it uses less digits than its factorization.
13471973 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7143.
The product of its digits is 15876, while the sum is 35.
The square root of 13471973 is about 3670.4186409727. The cubic root of 13471973 is about 237.9452655246.
The spelling of 13471973 in words is "thirteen million, four hundred seventy-one thousand, nine hundred seventy-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •