Base | Representation |
---|---|
bin | 1001100100110… |
… | …0101100110111 |
3 | 2210120100020110 |
4 | 2121030230313 |
5 | 40240110210 |
6 | 3552434103 |
7 | 665232465 |
oct | 231145467 |
9 | 83510213 |
10 | 40160055 |
11 | 2073a931 |
12 | 11548933 |
13 | 8421660 |
14 | 5495835 |
15 | 37d4420 |
hex | 264cb37 |
40160055 has 16 divisors (see below), whose sum is σ = 69199200. Its totient is φ = 19771008.
The previous prime is 40160051. The next prime is 40160063. The reversal of 40160055 is 55006104.
It is a happy number.
It is not a de Polignac number, because 40160055 - 22 = 40160051 is a prime.
It is a super-2 number, since 2×401600552 = 3225660035206050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40160051) 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, 102780 + ... + 103169.
It is an arithmetic number, because the mean of its divisors is an integer number (4324950).
Almost surely, 240160055 is an apocalyptic number.
40160055 is a deficient number, since it is larger than the sum of its proper divisors (29039145).
40160055 is a wasteful number, since it uses less digits than its factorization.
40160055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205970.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 40160055 is about 6337.1961465620. The cubic root of 40160055 is about 342.4507326083.
Adding to 40160055 its reverse (55006104), we get a palindrome (95166159).
The spelling of 40160055 in words is "forty million, one hundred sixty thousand, fifty-five".
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