Base | Representation |
---|---|
bin | 11010100111011… |
… | …00001011011101 |
3 | 120120010001200122 |
4 | 31103230023131 |
5 | 424123444001 |
6 | 34053204325 |
7 | 5350503554 |
oct | 1523541335 |
9 | 516101618 |
10 | 223265501 |
11 | 105033748 |
12 | 629306a5 |
13 | 37341b84 |
14 | 2191ad9b |
15 | 14902b1b |
hex | d4ec2dd |
223265501 has 4 divisors (see below), whose sum is σ = 224635392. Its totient is φ = 221895612.
The previous prime is 223265479. The next prime is 223265543. The reversal of 223265501 is 105562322.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 105562322 = 2 ⋅52781161.
It is a cyclic number.
It is not a de Polignac number, because 223265501 - 218 = 223003357 is a prime.
It is a super-3 number, since 3×2232655013 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223265591) 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, 684701 + ... + 685026.
It is an arithmetic number, because the mean of its divisors is an integer number (56158848).
Almost surely, 2223265501 is an apocalyptic number.
It is an amenable number.
223265501 is a deficient number, since it is larger than the sum of its proper divisors (1369891).
223265501 is a wasteful number, since it uses less digits than its factorization.
223265501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1369890.
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 223265501 is about 14942.0715096669. The cubic root of 223265501 is about 606.6532664525.
The spelling of 223265501 in words is "two hundred twenty-three million, two hundred sixty-five thousand, five hundred one".
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