Base | Representation |
---|---|
bin | 1010000100011… |
… | …0100011001111 |
3 | 2221110121102201 |
4 | 2201012203033 |
5 | 41302411030 |
6 | 4105102331 |
7 | 1021652260 |
oct | 241064317 |
9 | 87417381 |
10 | 42232015 |
11 | 219255a1 |
12 | 121879a7 |
13 | 8998777 |
14 | 5874967 |
15 | 3a932ca |
hex | 28468cf |
42232015 has 16 divisors (see below), whose sum is σ = 58037760. Its totient is φ = 28899360.
The previous prime is 42231989. The next prime is 42232037. The reversal of 42232015 is 51023224.
It is not a de Polignac number, because 42232015 - 25 = 42231983 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 42231983 and 42232001.
It is a congruent number.
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, 22150 + ... + 23980.
It is an arithmetic number, because the mean of its divisors is an integer number (3627360).
Almost surely, 242232015 is an apocalyptic number.
42232015 is a deficient number, since it is larger than the sum of its proper divisors (15805745).
42232015 is a wasteful number, since it uses less digits than its factorization.
42232015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2502.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 42232015 is about 6498.6163912021. The cubic root of 42232015 is about 348.2415611558.
Adding to 42232015 its reverse (51023224), we get a palindrome (93255239).
The spelling of 42232015 in words is "forty-two million, two hundred thirty-two thousand, fifteen".
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