Base | Representation |
---|---|
bin | 100000000011101… |
… | …000010100010001 |
3 | 1101111000012202011 |
4 | 200003220110101 |
5 | 2100140304411 |
6 | 125211222521 |
7 | 16220262400 |
oct | 4003502421 |
9 | 1344005664 |
10 | 537822481 |
11 | 25664aa99 |
12 | 130147a41 |
13 | 87568771 |
14 | 515dd637 |
15 | 32339c21 |
hex | 200e8511 |
537822481 has 9 divisors (see below), whose sum is σ = 625819131. Its totient is φ = 460851552.
The previous prime is 537822473. The next prime is 537822499. The reversal of 537822481 is 184228735.
It is a happy number.
The square root of 537822481 is 23191.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 497067025 + 40755456 = 22295^2 + 6384^2 .
It is not a de Polignac number, because 537822481 - 23 = 537822473 is a prime.
It is a super-2 number, since 2×5378224812 = 578506042137990722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (537822401) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 160681 + ... + 163993.
It is an arithmetic number, because the mean of its divisors is an integer number (69535459).
Almost surely, 2537822481 is an apocalyptic number.
537822481 is the 23191-st square number.
537822481 is the 11596-th centered octagonal number.
It is an amenable number.
537822481 is a deficient number, since it is larger than the sum of its proper divisors (87996650).
537822481 is an frugal number, since it uses more digits than its factorization.
537822481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6640 (or 3320 counting only the distinct ones).
The product of its digits is 107520, while the sum is 40.
The cubic root of 537822481 is about 813.2292370844.
The spelling of 537822481 in words is "five hundred thirty-seven million, eight hundred twenty-two thousand, four hundred eighty-one".
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