Base | Representation |
---|---|
bin | 1010000001101… |
… | …1011100011110 |
3 | 2221010122020102 |
4 | 2200123130132 |
5 | 41231233304 |
6 | 4101221102 |
7 | 1020315440 |
oct | 240333436 |
9 | 87118212 |
10 | 42055454 |
11 | 21814981 |
12 | 12101792 |
13 | 89362ac |
14 | 582a490 |
15 | 3a5ad1e |
hex | 281b71e |
42055454 has 32 divisors (see below), whose sum is σ = 75879936. Its totient is φ = 17091360.
The previous prime is 42055451. The next prime is 42055471. The reversal of 42055454 is 45455024.
42055454 = T252 + T253 + ... + T644.
42055454 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 2×420554542 = 3537322422292232, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42055451) 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 15 ways as a sum of consecutive naturals, for example, 41684 + ... + 42680.
It is an arithmetic number, because the mean of its divisors is an integer number (2371248).
Almost surely, 242055454 is an apocalyptic number.
42055454 is a deficient number, since it is larger than the sum of its proper divisors (33824482).
42055454 is a wasteful number, since it uses less digits than its factorization.
42055454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1160.
The product of its (nonzero) digits is 16000, while the sum is 29.
The square root of 42055454 is about 6485.0176561055. The cubic root of 42055454 is about 347.7555810030.
The spelling of 42055454 in words is "forty-two million, fifty-five thousand, four hundred fifty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •