Base | Representation |
---|---|
bin | 1010000001000… |
… | …1100010111001 |
3 | 2221001120121121 |
4 | 2200101202321 |
5 | 41223434110 |
6 | 4100305241 |
7 | 1020056302 |
oct | 240214271 |
9 | 87046547 |
10 | 42014905 |
11 | 21797469 |
12 | 120a2221 |
13 | 89209ba |
14 | 58197a9 |
15 | 3a4dcda |
hex | 28118b9 |
42014905 has 16 divisors (see below), whose sum is σ = 55707264. Its totient is φ = 30257920.
The previous prime is 42014899. The next prime is 42014923. The reversal of 42014905 is 50941024.
It is not a de Polignac number, because 42014905 - 23 = 42014897 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 42014905.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8791 + ... + 12700.
It is an arithmetic number, because the mean of its divisors is an integer number (3481704).
Almost surely, 242014905 is an apocalyptic number.
It is an amenable number.
42014905 is a deficient number, since it is larger than the sum of its proper divisors (13692359).
42014905 is a wasteful number, since it uses less digits than its factorization.
42014905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21536.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 42014905 is about 6481.8905421181. The cubic root of 42014905 is about 347.6437788137.
Adding to 42014905 its reverse (50941024), we get a palindrome (92955929).
The spelling of 42014905 in words is "forty-two million, fourteen thousand, nine hundred five".
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