Base | Representation |
---|---|
bin | 11010100101101… |
… | …01101110101111 |
3 | 120112200201202120 |
4 | 31102311232233 |
5 | 424044324404 |
6 | 34044324023 |
7 | 5345554422 |
oct | 1522655657 |
9 | 515621676 |
10 | 223042479 |
11 | 1049a1130 |
12 | 62843613 |
13 | 372944ca |
14 | 2189d9b9 |
15 | 148ab9d9 |
hex | d4b5baf |
223042479 has 32 divisors (see below), whose sum is σ = 333607680. Its totient is φ = 131404800.
The previous prime is 223042471. The next prime is 223042481. The reversal of 223042479 is 974240322.
It is not a de Polignac number, because 223042479 - 23 = 223042471 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223042471) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188269 + ... + 189449.
It is an arithmetic number, because the mean of its divisors is an integer number (10425240).
Almost surely, 2223042479 is an apocalyptic number.
223042479 is a deficient number, since it is larger than the sum of its proper divisors (110565201).
223042479 is a wasteful number, since it uses less digits than its factorization.
223042479 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1351.
The product of its (nonzero) digits is 24192, while the sum is 33.
The square root of 223042479 is about 14934.6067574610. The cubic root of 223042479 is about 606.4512019463.
The spelling of 223042479 in words is "two hundred twenty-three million, forty-two thousand, four hundred seventy-nine".
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