Base | Representation |
---|---|
bin | 11010100111010… |
… | …01010111111101 |
3 | 120120002110221011 |
4 | 31103221113331 |
5 | 424123112023 |
6 | 34053035221 |
7 | 5350425223 |
oct | 1523512775 |
9 | 516073834 |
10 | 223254013 |
11 | 105026054 |
12 | 62925b11 |
13 | 37339888 |
14 | 21916b13 |
15 | 148ee50d |
hex | d4e95fd |
223254013 has 4 divisors (see below), whose sum is σ = 236386620. Its totient is φ = 210121408.
The previous prime is 223254011. The next prime is 223254019. The reversal of 223254013 is 310452322.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310452322 = 2 ⋅155226161.
It can be written as a sum of positive squares in 2 ways, for example, as 199459129 + 23794884 = 14123^2 + 4878^2 .
It is a cyclic number.
It is not a de Polignac number, because 223254013 - 21 = 223254011 is a prime.
It is a super-3 number, since 3×2232540133 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223254011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6566278 + ... + 6566311.
It is an arithmetic number, because the mean of its divisors is an integer number (59096655).
Almost surely, 2223254013 is an apocalyptic number.
It is an amenable number.
223254013 is a deficient number, since it is larger than the sum of its proper divisors (13132607).
223254013 is a wasteful number, since it uses less digits than its factorization.
223254013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13132606.
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 223254013 is about 14941.6870868052. The cubic root of 223254013 is about 606.6428612739.
The spelling of 223254013 in words is "two hundred twenty-three million, two hundred fifty-four thousand, thirteen".
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