Base | Representation |
---|---|
bin | 101011010101… |
… | …1000011001010 |
3 | 1120202022221221 |
4 | 1112223003022 |
5 | 21304030324 |
6 | 2130552254 |
7 | 364060102 |
oct | 126530312 |
9 | 46668857 |
10 | 22720714 |
11 | 11909455 |
12 | 773868a |
13 | 4926913 |
14 | 3036202 |
15 | 1edc0e4 |
hex | 15ab0ca |
22720714 has 4 divisors (see below), whose sum is σ = 34081074. Its totient is φ = 11360356.
The previous prime is 22720679. The next prime is 22720741. The reversal of 22720714 is 41702722.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41702722 = 2 ⋅20851361.
It can be written as a sum of positive squares in only one way, i.e., 20857489 + 1863225 = 4567^2 + 1365^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5680177 + ... + 5680180.
Almost surely, 222720714 is an apocalyptic number.
22720714 is a deficient number, since it is larger than the sum of its proper divisors (11360360).
22720714 is a wasteful number, since it uses less digits than its factorization.
22720714 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11360359.
The product of its (nonzero) digits is 1568, while the sum is 25.
The square root of 22720714 is about 4766.6250114730. The cubic root of 22720714 is about 283.2309169248.
The spelling of 22720714 in words is "twenty-two million, seven hundred twenty thousand, seven hundred fourteen".
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