| Base | Representation |
|---|---|
| bin | 110100010101… |
| … | …010011110100 |
| 3 | 221210222121200 |
| 4 | 310111103310 |
| 5 | 12003000042 |
| 6 | 1210012500 |
| 7 | 224415264 |
| oct | 64252364 |
| 9 | 27728550 |
| 10 | 13718772 |
| 11 | 7820131 |
| 12 | 4717130 |
| 13 | 2ac4422 |
| 14 | 1b717a4 |
| 15 | 130ec4c |
| hex | d154f4 |
13718772 has 18 divisors (see below), whose sum is σ = 34678098. Its totient is φ = 4572912.
The previous prime is 13718767. The next prime is 13718773. The reversal of 13718772 is 27781731.
It is a happy number.
13718772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 6937956 + 6780816 = 2634^2 + 2604^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 381077 = 13718772 / (1 + 3 + 7 + 1 + 8 + 7 + 7 + 2).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13718773) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190503 + ... + 190574.
It is an arithmetic number, because the mean of its divisors is an integer number (1926561).
Almost surely, 213718772 is an apocalyptic number.
13718772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13718772 is an abundant number, since it is smaller than the sum of its proper divisors (20959326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13718772 is a wasteful number, since it uses less digits than its factorization.
13718772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 381087 (or 381082 counting only the distinct ones).
The product of its digits is 16464, while the sum is 36.
The square root of 13718772 is about 3703.8860673622. The cubic root of 13718772 is about 239.3894899731.
The spelling of 13718772 in words is "thirteen million, seven hundred eighteen thousand, seven hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •