Base | Representation |
---|---|
bin | 1010001001011… |
… | …1001001010011 |
3 | 2222002101021020 |
4 | 2202113021103 |
5 | 41343442011 |
6 | 4120130523 |
7 | 1024525563 |
oct | 242271123 |
9 | 88071236 |
10 | 42562131 |
11 | 22030617 |
12 | 12306a43 |
13 | 8a82ac1 |
14 | 591cda3 |
15 | 3b0b006 |
hex | 2897253 |
42562131 has 12 divisors (see below), whose sum is σ = 58107528. Its totient is φ = 27711264.
The previous prime is 42562129. The next prime is 42562133. The reversal of 42562131 is 13126524.
It is an interprime number because it is at equal distance from previous prime (42562129) and next prime (42562133).
It is not a de Polignac number, because 42562131 - 21 = 42562129 is a prime.
It is a super-2 number, since 2×425621312 = 3623069990522322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (42562133) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1711 + ... + 9383.
It is an arithmetic number, because the mean of its divisors is an integer number (4842294).
Almost surely, 242562131 is an apocalyptic number.
42562131 is a deficient number, since it is larger than the sum of its proper divisors (15545397).
42562131 is an equidigital number, since it uses as much as digits as its factorization.
42562131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7762 (or 7719 counting only the distinct ones).
The product of its digits is 1440, while the sum is 24.
The square root of 42562131 is about 6523.9658950672. The cubic root of 42562131 is about 349.1465765262.
Adding to 42562131 its reverse (13126524), we get a palindrome (55688655).
The spelling of 42562131 in words is "forty-two million, five hundred sixty-two thousand, one hundred thirty-one".
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