Base | Representation |
---|---|
bin | 11010101100101… |
… | …01000110100000 |
3 | 120121102012210211 |
4 | 31112111012200 |
5 | 424313114113 |
6 | 34120103504 |
7 | 5356415023 |
oct | 1526250640 |
9 | 517365724 |
10 | 223957408 |
11 | 105466574 |
12 | 63004b94 |
13 | 37524a9c |
14 | 21a5b1ba |
15 | 149dcb3d |
hex | d5951a0 |
223957408 has 48 divisors (see below), whose sum is σ = 465696000. Its totient is φ = 105725952.
The previous prime is 223957379. The next prime is 223957429. The reversal of 223957408 is 804759322.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290848 + ... + 291616.
It is an arithmetic number, because the mean of its divisors is an integer number (9702000).
Almost surely, 2223957408 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 223957408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232848000).
223957408 is an abundant number, since it is smaller than the sum of its proper divisors (241738592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223957408 is a wasteful number, since it uses less digits than its factorization.
223957408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1277 (or 1269 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 40.
The square root of 223957408 is about 14965.2065805989. The cubic root of 223957408 is about 607.2792995550.
The spelling of 223957408 in words is "two hundred twenty-three million, nine hundred fifty-seven thousand, four hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •