Base | Representation |
---|---|
bin | 1010001000011… |
… | …1101011100110 |
3 | 2221222011101021 |
4 | 2202013223212 |
5 | 41334430130 |
6 | 4114521354 |
7 | 1024143115 |
oct | 242075346 |
9 | 87864337 |
10 | 42498790 |
11 | 21a97a74 |
12 | 1229625a |
13 | 8a60019 |
14 | 5903c7c |
15 | 3ae737a |
hex | 2887ae6 |
42498790 has 16 divisors (see below), whose sum is σ = 76600368. Its totient is φ = 16976736.
The previous prime is 42498689. The next prime is 42498791. The reversal of 42498790 is 9789424.
42498790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×424987902 = 3612294302928200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42498791) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6424 + ... + 11236.
It is an arithmetic number, because the mean of its divisors is an integer number (4787523).
Almost surely, 242498790 is an apocalyptic number.
42498790 is a deficient number, since it is larger than the sum of its proper divisors (34101578).
42498790 is a wasteful number, since it uses less digits than its factorization.
42498790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5703.
The product of its (nonzero) digits is 145152, while the sum is 43.
The square root of 42498790 is about 6519.1096017785. The cubic root of 42498790 is about 348.9732904576.
The spelling of 42498790 in words is "forty-two million, four hundred ninety-eight thousand, seven hundred ninety".
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