Base | Representation |
---|---|
bin | 1010000011101… |
… | …1010100101110 |
3 | 2221101021100120 |
4 | 2200323110232 |
5 | 41244423110 |
6 | 4104105410 |
7 | 1021401225 |
oct | 240732456 |
9 | 87337316 |
10 | 42186030 |
11 | 218a3a97 |
12 | 12165266 |
13 | 8980863 |
14 | 5861cbc |
15 | 3a84870 |
hex | 283b52e |
42186030 has 32 divisors (see below), whose sum is σ = 101879424. Its totient is φ = 11179296.
The previous prime is 42186017. The next prime is 42186041. The reversal of 42186030 is 3068124.
It is a happy number.
42186030 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 2×421860302 = 3559322254321800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 577 + ... + 9203.
It is an arithmetic number, because the mean of its divisors is an integer number (3183732).
Almost surely, 242186030 is an apocalyptic number.
42186030 is an abundant number, since it is smaller than the sum of its proper divisors (59693394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42186030 is a wasteful number, since it uses less digits than its factorization.
42186030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8800.
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 42186030 is about 6495.0773667448. The cubic root of 42186030 is about 348.1151191344.
The spelling of 42186030 in words is "forty-two million, one hundred eighty-six thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •