Base | Representation |
---|---|
bin | 110001110000… |
… | …001100010111 |
3 | 220112121212220 |
4 | 301300030113 |
5 | 11314324310 |
6 | 1143313423 |
7 | 215600436 |
oct | 61601427 |
9 | 26477786 |
10 | 13042455 |
11 | 73a8a98 |
12 | 444b873 |
13 | 291863a |
14 | 1a3711d |
15 | 1229670 |
hex | c70317 |
13042455 has 16 divisors (see below), whose sum is σ = 21966720. Its totient is φ = 6589728.
The previous prime is 13042441. The next prime is 13042457. The reversal of 13042455 is 55424031.
It is not a de Polignac number, because 13042455 - 24 = 13042439 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13042457) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22597 + ... + 23166.
It is an arithmetic number, because the mean of its divisors is an integer number (1372920).
Almost surely, 213042455 is an apocalyptic number.
13042455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13042455 is a deficient number, since it is larger than the sum of its proper divisors (8924265).
13042455 is a wasteful number, since it uses less digits than its factorization.
13042455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45790.
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 13042455 is about 3611.4339257420. The cubic root of 13042455 is about 235.3891545193.
Adding to 13042455 its reverse (55424031), we get a palindrome (68466486).
The spelling of 13042455 in words is "thirteen million, forty-two thousand, four hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •