Base | Representation |
---|---|
bin | 11010101100001… |
… | …01110001010000 |
3 | 120121022000122220 |
4 | 31112011301100 |
5 | 424304111413 |
6 | 34114501040 |
7 | 5356033650 |
oct | 1526056120 |
9 | 517260586 |
10 | 223894608 |
11 | 105423373 |
12 | 62b94780 |
13 | 37502322 |
14 | 21a42360 |
15 | 149c9223 |
hex | d585c50 |
223894608 has 40 divisors (see below), whose sum is σ = 661023168. Its totient is φ = 63969792.
The previous prime is 223894603. The next prime is 223894621. The reversal of 223894608 is 806498322.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a self number, because there is not a number n which added to its sum of digits gives 223894608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223894603) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332841 + ... + 333512.
Almost surely, 2223894608 is an apocalyptic number.
223894608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
223894608 is an abundant number, since it is smaller than the sum of its proper divisors (437128560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223894608 is a wasteful number, since it uses less digits than its factorization.
223894608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 666371 (or 666365 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 42.
The square root of 223894608 is about 14963.1082332515. The cubic root of 223894608 is about 607.2225317591. Note that the first 3 decimals are identical.
The spelling of 223894608 in words is "two hundred twenty-three million, eight hundred ninety-four thousand, six hundred eight".
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