Base | Representation |
---|---|
bin | 1001100100100… |
… | …0100000011011 |
3 | 2210112110200011 |
4 | 2121020200123 |
5 | 40234033000 |
6 | 3552222351 |
7 | 665131423 |
oct | 231104033 |
9 | 83473604 |
10 | 40142875 |
11 | 20728a33 |
12 | 1153a9b7 |
13 | 84168a6 |
14 | 548d483 |
15 | 37ce2ba |
hex | 264881b |
40142875 has 8 divisors (see below), whose sum is σ = 50098464. Its totient is φ = 32114200.
The previous prime is 40142863. The next prime is 40142929. The reversal of 40142875 is 57824104.
It is not a de Polignac number, because 40142875 - 213 = 40134683 is a prime.
It is a super-2 number, since 2×401428752 = 3222900826531250, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160447 + ... + 160696.
It is an arithmetic number, because the mean of its divisors is an integer number (6262308).
Almost surely, 240142875 is an apocalyptic number.
40142875 is a deficient number, since it is larger than the sum of its proper divisors (9955589).
40142875 is an equidigital number, since it uses as much as digits as its factorization.
40142875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 321158 (or 321148 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 31.
The square root of 40142875 is about 6335.8405125129. The cubic root of 40142875 is about 342.4018935092.
Adding to 40142875 its reverse (57824104), we get a palindrome (97966979).
It can be divided in two parts, 4014 and 2875, that added together give a square (6889 = 832).
The spelling of 40142875 in words is "forty million, one hundred forty-two thousand, eight hundred seventy-five".
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