Base | Representation |
---|---|
bin | 111001101001… |
… | …101101010000 |
3 | 1001102211012020 |
4 | 321221231100 |
5 | 12332104130 |
6 | 1255531440 |
7 | 242313225 |
oct | 71515520 |
9 | 31384166 |
10 | 15113040 |
11 | 8592718 |
12 | 5089b80 |
13 | 3191c37 |
14 | 201594c |
15 | 14d7e10 |
hex | e69b50 |
15113040 has 40 divisors (see below), whose sum is σ = 46851168. Its totient is φ = 4030080.
The previous prime is 15113029. The next prime is 15113041. The reversal of 15113040 is 4031151.
15113040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15113041) 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, 31246 + ... + 31725.
Almost surely, 215113040 is an apocalyptic number.
15113040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15113040 is an abundant number, since it is smaller than the sum of its proper divisors (31738128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15113040 is a wasteful number, since it uses less digits than its factorization.
15113040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62987 (or 62981 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 15.
The square root of 15113040 is about 3887.5493565999. The cubic root of 15113040 is about 247.2391701736.
Adding to 15113040 its reverse (4031151), we get a palindrome (19144191).
The spelling of 15113040 in words is "fifteen million, one hundred thirteen thousand, forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •