Base | Representation |
---|---|
bin | 1010001000010… |
… | …1001111100101 |
3 | 2221221122200110 |
4 | 2202011033211 |
5 | 41334120210 |
6 | 4114403233 |
7 | 1024102032 |
oct | 242051745 |
9 | 87848613 |
10 | 42488805 |
11 | 21a90517 |
12 | 12290519 |
13 | 8a58608 |
14 | 5900389 |
15 | 3ae4420 |
hex | 28853e5 |
42488805 has 16 divisors (see below), whose sum is σ = 68091840. Its totient is φ = 22624128.
The previous prime is 42488801. The next prime is 42488827. The reversal of 42488805 is 50888424.
It is not a de Polignac number, because 42488805 - 22 = 42488801 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42488801) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9169 + ... + 13001.
It is an arithmetic number, because the mean of its divisors is an integer number (4255740).
Almost surely, 242488805 is an apocalyptic number.
It is an amenable number.
42488805 is a deficient number, since it is larger than the sum of its proper divisors (25603035).
42488805 is a wasteful number, since it uses less digits than its factorization.
42488805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4580.
The product of its (nonzero) digits is 81920, while the sum is 39.
The square root of 42488805 is about 6518.3437313477. The cubic root of 42488805 is about 348.9459581404.
The spelling of 42488805 in words is "forty-two million, four hundred eighty-eight thousand, eight hundred five".
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