Base | Representation |
---|---|
bin | 101011010001… |
… | …0110100110110 |
3 | 1120200121202101 |
4 | 1112202310312 |
5 | 21301441110 |
6 | 2130132314 |
7 | 363556642 |
oct | 126426466 |
9 | 46617671 |
10 | 22687030 |
11 | 11896113 |
12 | 772109a |
13 | 49144a2 |
14 | 3027c22 |
15 | 1ed213a |
hex | 15a2d36 |
22687030 has 16 divisors (see below), whose sum is σ = 41019120. Its totient is φ = 9034272.
The previous prime is 22687003. The next prime is 22687033. The reversal of 22687030 is 3078622.
It is a self number, because there is not a number n which added to its sum of digits gives 22687030.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22687033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2664 + ... + 7243.
It is an arithmetic number, because the mean of its divisors is an integer number (2563695).
Almost surely, 222687030 is an apocalyptic number.
22687030 is a deficient number, since it is larger than the sum of its proper divisors (18332090).
22687030 is a wasteful number, since it uses less digits than its factorization.
22687030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10143.
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 22687030 is about 4763.0903833541. The cubic root of 22687030 is about 283.0908821722.
The spelling of 22687030 in words is "twenty-two million, six hundred eighty-seven thousand, thirty".
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