Base | Representation |
---|---|
bin | 101010111110011… |
… | …1100100101000100 |
3 | 10201111110020011210 |
4 | 1111330330211010 |
5 | 10423130241012 |
6 | 355031531420 |
7 | 50510065431 |
oct | 12574744504 |
9 | 3644406153 |
10 | 1442040132 |
11 | 67aaa3105 |
12 | 342b29b70 |
13 | 19c9aaab0 |
14 | d9736b88 |
15 | 868eb23c |
hex | 55f3c944 |
1442040132 has 24 divisors (see below), whose sum is σ = 3623588416. Its totient is φ = 443704608.
The previous prime is 1442040101. The next prime is 1442040139. The reversal of 1442040132 is 2310402441.
It is a junction number, because it is equal to n+sod(n) for n = 1442040099 and 1442040108.
It is not an unprimeable number, because it can be changed into a prime (1442040139) 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, 4621768 + ... + 4622079.
Almost surely, 21442040132 is an apocalyptic number.
1442040132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1442040132 is an abundant number, since it is smaller than the sum of its proper divisors (2181548284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1442040132 is a wasteful number, since it uses less digits than its factorization.
1442040132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9243867 (or 9243865 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 1442040132 is about 37974.2035071178. The cubic root of 1442040132 is about 1129.7762712628.
Adding to 1442040132 its reverse (2310402441), we get a palindrome (3752442573).
The spelling of 1442040132 in words is "one billion, four hundred forty-two million, forty thousand, one hundred thirty-two".
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