Base | Representation |
---|---|
bin | 101010100000… |
… | …1101000000101 |
3 | 1112221101121212 |
4 | 1111001220011 |
5 | 21201221101 |
6 | 2113421205 |
7 | 360311135 |
oct | 125015005 |
9 | 45841555 |
10 | 22288901 |
11 | 11643a88 |
12 | 756a805 |
13 | 48051cb |
14 | 2d62ac5 |
15 | 1e541bb |
hex | 1541a05 |
22288901 has 8 divisors (see below), whose sum is σ = 22550400. Its totient is φ = 22029280.
The previous prime is 22288897. The next prime is 22288913. The reversal of 22288901 is 10988222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 22288901 - 22 = 22288897 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22288001) 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, 42521 + ... + 43041.
It is an arithmetic number, because the mean of its divisors is an integer number (2818800).
Almost surely, 222288901 is an apocalyptic number.
It is an amenable number.
22288901 is a deficient number, since it is larger than the sum of its proper divisors (261499).
22288901 is a wasteful number, since it uses less digits than its factorization.
With its successor (22288902) it forms an eRAP, since the sums of their prime factors are consecutive (939 and 940).
22288901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 939.
The product of its (nonzero) digits is 4608, while the sum is 32.
The square root of 22288901 is about 4721.1122630160. The cubic root of 22288901 is about 281.4251362851.
The spelling of 22288901 in words is "twenty-two million, two hundred eighty-eight thousand, nine hundred one".
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