Base | Representation |
---|---|
bin | 100000110000000… |
… | …111011001100011 |
3 | 1102021221200112010 |
4 | 200300013121203 |
5 | 2111131443011 |
6 | 130305204003 |
7 | 16421352360 |
oct | 4060073143 |
9 | 1367850463 |
10 | 549484131 |
11 | 262195619 |
12 | 134030603 |
13 | 89abc751 |
14 | 52d97467 |
15 | 333901a6 |
hex | 20c07663 |
549484131 has 16 divisors (see below), whose sum is σ = 846720000. Its totient is φ = 310461888.
The previous prime is 549484109. The next prime is 549484147. The reversal of 549484131 is 131484945.
It is not a de Polignac number, because 549484131 - 213 = 549475939 is a prime.
It is a super-2 number, since 2×5494841312 = 603865620441650322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 549484131.
It is not an unprimeable number, because it can be changed into a prime (549484171) 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, 145131 + ... + 148868.
It is an arithmetic number, because the mean of its divisors is an integer number (52920000).
Almost surely, 2549484131 is an apocalyptic number.
549484131 is a deficient number, since it is larger than the sum of its proper divisors (297235869).
549484131 is a wasteful number, since it uses less digits than its factorization.
549484131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294098.
The product of its digits is 69120, while the sum is 39.
The square root of 549484131 is about 23441.0778549110. The cubic root of 549484131 is about 819.0650314140.
The spelling of 549484131 in words is "five hundred forty-nine million, four hundred eighty-four thousand, one hundred thirty-one".
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