Base | Representation |
---|---|
bin | 11011100011010011011110 |
3 | 111120221101210 |
4 | 123203103132 |
5 | 3322104434 |
6 | 414445250 |
7 | 115250556 |
oct | 33432336 |
9 | 14527353 |
10 | 7222494 |
11 | 4093404 |
12 | 2503826 |
13 | 165b586 |
14 | d60166 |
15 | 979ee9 |
hex | 6e34de |
7222494 has 16 divisors (see below), whose sum is σ = 14620032. Its totient is φ = 2378328.
The previous prime is 7222493. The next prime is 7222499. The reversal of 7222494 is 4942227.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7222493) 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, 6754 + ... + 7749.
It is an arithmetic number, because the mean of its divisors is an integer number (913752).
Almost surely, 27222494 is an apocalyptic number.
7222494 is an abundant number, since it is smaller than the sum of its proper divisors (7397538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7222494 is a wasteful number, since it uses less digits than its factorization.
7222494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14591.
The product of its digits is 8064, while the sum is 30.
The square root of 7222494 is about 2687.4698137840. The cubic root of 7222494 is about 193.2987578545.
The spelling of 7222494 in words is "seven million, two hundred twenty-two thousand, four hundred ninety-four".
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