Base | Representation |
---|---|
bin | 1011010100001… |
… | …0101101000110 |
3 | 10022022011201000 |
4 | 2311002231012 |
5 | 44122143032 |
6 | 4413114130 |
7 | 1114252563 |
oct | 265025506 |
9 | 108264630 |
10 | 47459142 |
11 | 24875835 |
12 | 13a88946 |
13 | 9aa8a43 |
14 | 643586a |
15 | 4276e7c |
hex | 2d42b46 |
47459142 has 16 divisors (see below), whose sum is σ = 105464880. Its totient is φ = 15819696.
The previous prime is 47459141. The next prime is 47459147. The reversal of 47459142 is 24195474.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 47459097 and 47459106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47459141) 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, 439383 + ... + 439490.
It is an arithmetic number, because the mean of its divisors is an integer number (6591555).
Almost surely, 247459142 is an apocalyptic number.
47459142 is an abundant number, since it is smaller than the sum of its proper divisors (58005738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47459142 is a wasteful number, since it uses less digits than its factorization.
47459142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 878884 (or 878878 counting only the distinct ones).
The product of its digits is 40320, while the sum is 36.
The square root of 47459142 is about 6889.0595874909. The cubic root of 47459142 is about 362.0539534775.
The spelling of 47459142 in words is "forty-seven million, four hundred fifty-nine thousand, one hundred forty-two".
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