Base | Representation |
---|---|
bin | 11011100100101010000110 |
3 | 111121020000010 |
4 | 123210222012 |
5 | 3322244123 |
6 | 414531050 |
7 | 115302666 |
oct | 33445206 |
9 | 14536003 |
10 | 7228038 |
11 | 4097594 |
12 | 2506a86 |
13 | 1660c5c |
14 | d621a6 |
15 | 97b993 |
hex | 6e4a86 |
7228038 has 16 divisors (see below), whose sum is σ = 14511600. Its totient is φ = 2400096.
The previous prime is 7228033. The next prime is 7228093. The reversal of 7228038 is 8308227.
It is a junction number, because it is equal to n+sod(n) for n = 7227996 and 7228014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7228033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513 + ... + 3836.
It is an arithmetic number, because the mean of its divisors is an integer number (906975).
Almost surely, 27228038 is an apocalyptic number.
7228038 is an abundant number, since it is smaller than the sum of its proper divisors (7283562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7228038 is a wasteful number, since it uses less digits than its factorization.
7228038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4631.
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 7228038 is about 2688.5010693693. The cubic root of 7228038 is about 193.3482040352.
The spelling of 7228038 in words is "seven million, two hundred twenty-eight thousand, thirty-eight".
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