Base | Representation |
---|---|
bin | 1010001100001… |
… | …1110011011110 |
3 | 2222102200012011 |
4 | 2203003303132 |
5 | 41420320204 |
6 | 4124101434 |
7 | 1026220102 |
oct | 243036336 |
9 | 88380164 |
10 | 42745054 |
11 | 22145aa0 |
12 | 1239487a |
13 | 8b18141 |
14 | 5969902 |
15 | 3b45304 |
hex | 28c3cde |
42745054 has 16 divisors (see below), whose sum is σ = 70147440. Its totient is φ = 19373760.
The previous prime is 42745051. The next prime is 42745067. The reversal of 42745054 is 45054724.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42745051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5602 + ... + 10810.
It is an arithmetic number, because the mean of its divisors is an integer number (4384215).
Almost surely, 242745054 is an apocalyptic number.
42745054 is a deficient number, since it is larger than the sum of its proper divisors (27402386).
42745054 is a wasteful number, since it uses less digits than its factorization.
42745054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5595.
The product of its (nonzero) digits is 22400, while the sum is 31.
The square root of 42745054 is about 6537.9701742972. The cubic root of 42745054 is about 349.6460476134.
Adding to 42745054 its reverse (45054724), we get a palindrome (87799778).
The spelling of 42745054 in words is "forty-two million, seven hundred forty-five thousand, fifty-four".
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