Base | Representation |
---|---|
bin | 111010000111… |
… | …000001110110 |
3 | 1001122220221110 |
4 | 322013001312 |
5 | 12344430032 |
6 | 1302255450 |
7 | 243323331 |
oct | 72070166 |
9 | 31586843 |
10 | 15233142 |
11 | 8664981 |
12 | 5127586 |
13 | 32047c2 |
14 | 2047618 |
15 | 150d7cc |
hex | e87076 |
15233142 has 16 divisors (see below), whose sum is σ = 30707712. Its totient is φ = 5037480.
The previous prime is 15233093. The next prime is 15233203. The reversal of 15233142 is 24133251.
15233142 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9234 + ... + 10757.
It is an arithmetic number, because the mean of its divisors is an integer number (1919232).
Almost surely, 215233142 is an apocalyptic number.
15233142 is an abundant number, since it is smaller than the sum of its proper divisors (15474570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15233142 is a wasteful number, since it uses less digits than its factorization.
15233142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20123.
The product of its digits is 720, while the sum is 21.
The square root of 15233142 is about 3902.9657953920. The cubic root of 15233142 is about 247.8923722194.
Adding to 15233142 its reverse (24133251), we get a palindrome (39366393).
The spelling of 15233142 in words is "fifteen million, two hundred thirty-three thousand, one hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •