Base | Representation |
---|---|
bin | 11010100100100… |
… | …00100110000011 |
3 | 120112102000002221 |
4 | 31102100212003 |
5 | 424024442441 |
6 | 34041151511 |
7 | 5344352104 |
oct | 1522204603 |
9 | 515360087 |
10 | 222890371 |
11 | 1048a7920 |
12 | 6278b597 |
13 | 372401c2 |
14 | 218603ab |
15 | 1487b8d1 |
hex | d490983 |
222890371 has 16 divisors (see below), whose sum is σ = 252350208. Its totient is φ = 195098400.
The previous prime is 222890329. The next prime is 222890399. The reversal of 222890371 is 173098222.
It is a cyclic number.
It is not a de Polignac number, because 222890371 - 227 = 88672643 is a prime.
It is not an unprimeable number, because it can be changed into a prime (222890321) 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 15 ways as a sum of consecutive naturals, for example, 30265 + ... + 36901.
It is an arithmetic number, because the mean of its divisors is an integer number (15771888).
Almost surely, 2222890371 is an apocalyptic number.
222890371 is a deficient number, since it is larger than the sum of its proper divisors (29459837).
222890371 is a wasteful number, since it uses less digits than its factorization.
222890371 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6762.
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 222890371 is about 14929.5134214079. The cubic root of 222890371 is about 606.3133103402.
The spelling of 222890371 in words is "two hundred twenty-two million, eight hundred ninety thousand, three hundred seventy-one".
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