Base | Representation |
---|---|
bin | 111110011111110… |
… | …101010010110000 |
3 | 2201001222221200212 |
4 | 332133311102300 |
5 | 4121411012034 |
6 | 252013403252 |
7 | 34661243012 |
oct | 7637652260 |
9 | 2631887625 |
10 | 1048532144 |
11 | 4989617a0 |
12 | 253199528 |
13 | 13930042a |
14 | 9d3821b2 |
15 | 620bb2ce |
hex | 3e7f54b0 |
1048532144 has 40 divisors (see below), whose sum is σ = 2223888912. Its totient is φ = 474955520.
The previous prime is 1048532143. The next prime is 1048532153. The reversal of 1048532144 is 4412358401.
It is a super-3 number, since 3×10485321443 (a number of 28 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1048532144.
It is not an unprimeable number, because it can be changed into a prime (1048532143) 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, 41402 + ... + 61734.
Almost surely, 21048532144 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1048532144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1111944456).
1048532144 is an abundant number, since it is smaller than the sum of its proper divisors (1175356768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1048532144 is a wasteful number, since it uses less digits than its factorization.
1048532144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20645 (or 20639 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 32.
The square root of 1048532144 is about 32381.0460609289. The cubic root of 1048532144 is about 1015.9225094350.
The spelling of 1048532144 in words is "one billion, forty-eight million, five hundred thirty-two thousand, one hundred forty-four".
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