Base | Representation |
---|---|
bin | 1100011111110… |
… | …0101010100110 |
3 | 10122121222001120 |
4 | 3013330222212 |
5 | 101404241032 |
6 | 5111234410 |
7 | 1204343553 |
oct | 307745246 |
9 | 118558046 |
10 | 52415142 |
11 | 276502aa |
12 | 15678a06 |
13 | ab227a0 |
14 | 6d65a2a |
15 | 490562c |
hex | 31fcaa6 |
52415142 has 32 divisors (see below), whose sum is σ = 113188320. Its totient is φ = 16085760.
The previous prime is 52415119. The next prime is 52415149. The reversal of 52415142 is 24151425.
It is a super-2 number, since 2×524151422 = 5494694221760328, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52415149) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43792 + ... + 44972.
It is an arithmetic number, because the mean of its divisors is an integer number (3537135).
Almost surely, 252415142 is an apocalyptic number.
52415142 is an abundant number, since it is smaller than the sum of its proper divisors (60773178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52415142 is a wasteful number, since it uses less digits than its factorization.
52415142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1768.
The product of its digits is 1600, while the sum is 24.
The square root of 52415142 is about 7239.8302466287. The cubic root of 52415142 is about 374.2417674780.
Adding to 52415142 its reverse (24151425), we get a palindrome (76566567).
The spelling of 52415142 in words is "fifty-two million, four hundred fifteen thousand, one hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •