Base | Representation |
---|---|
bin | 100010011110111… |
… | …0010011101010000 |
3 | 2222122012010122222 |
4 | 1010331302131100 |
5 | 4332201020034 |
6 | 310451320212 |
7 | 40446514130 |
oct | 10475623520 |
9 | 2878163588 |
10 | 1157048144 |
11 | 54413a43a |
12 | 2835b0068 |
13 | 155936195 |
14 | ad94cac0 |
15 | 6b8a412e |
hex | 44f72750 |
1157048144 has 40 divisors (see below), whose sum is σ = 2577418368. Its totient is φ = 492900480.
The previous prime is 1157048059. The next prime is 1157048147. The reversal of 1157048144 is 4418407511.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1157048147) 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, 12227 + ... + 49634.
Almost surely, 21157048144 is an apocalyptic number.
1157048144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
1157048144 is an abundant number, since it is smaller than the sum of its proper divisors (1420370224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1157048144 is a wasteful number, since it uses less digits than its factorization.
1157048144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62043 (or 62037 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 35.
The square root of 1157048144 is about 34015.4103899982. The cubic root of 1157048144 is about 1049.8255625565.
The spelling of 1157048144 in words is "one billion, one hundred fifty-seven million, forty-eight thousand, one hundred forty-four".
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