Base | Representation |
---|---|
bin | 11010100101001… |
… | …00001001111010 |
3 | 120112120002000022 |
4 | 31102210021322 |
5 | 424040023430 |
6 | 34043010442 |
7 | 5345134511 |
oct | 1522441172 |
9 | 515502008 |
10 | 222970490 |
11 | 104952036 |
12 | 62809a22 |
13 | 3726a802 |
14 | 21881678 |
15 | 148954e5 |
hex | d4a427a |
222970490 has 8 divisors (see below), whose sum is σ = 401346900. Its totient is φ = 89188192.
The previous prime is 222970481. The next prime is 222970511. The reversal of 222970490 is 94079222.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 218714521 + 4255969 = 14789^2 + 2063^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 222970490.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 11148515 + ... + 11148534.
Almost surely, 2222970490 is an apocalyptic number.
222970490 is a deficient number, since it is larger than the sum of its proper divisors (178376410).
222970490 is a wasteful number, since it uses less digits than its factorization.
222970490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22297056.
The product of its (nonzero) digits is 18144, while the sum is 35.
The square root of 222970490 is about 14932.1964224959. The cubic root of 222970490 is about 606.3859490349.
The spelling of 222970490 in words is "two hundred twenty-two million, nine hundred seventy thousand, four hundred ninety".
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