Base | Representation |
---|---|
bin | 11010101000011… |
… | …11111110000101 |
3 | 120120101111210021 |
4 | 31110033332011 |
5 | 424143141401 |
6 | 34100255141 |
7 | 5351654143 |
oct | 1524177605 |
9 | 516344707 |
10 | 223412101 |
11 | 105123900 |
12 | 629a14b1 |
13 | 37393813 |
14 | 21958593 |
15 | 149312a1 |
hex | d50ff85 |
223412101 has 18 divisors (see below), whose sum is σ = 249394418. Its totient is φ = 199980000.
The previous prime is 223412093. The next prime is 223412107. The reversal of 223412101 is 101214322.
It can be written as a sum of positive squares in 3 ways, for example, as 79388100 + 144024001 = 8910^2 + 12001^2 .
It is not a de Polignac number, because 223412101 - 23 = 223412093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223412107) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1234231 + ... + 1234411.
Almost surely, 2223412101 is an apocalyptic number.
It is an amenable number.
223412101 is a deficient number, since it is larger than the sum of its proper divisors (25982317).
223412101 is a wasteful number, since it uses less digits than its factorization.
223412101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 405 (or 293 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 223412101 is about 14946.9763162989. The cubic root of 223412101 is about 606.7860170866.
Adding to 223412101 its reverse (101214322), we get a palindrome (324626423).
It can be divided in two parts, 22341 and 2101, that added together give a palindrome (24442).
The spelling of 223412101 in words is "two hundred twenty-three million, four hundred twelve thousand, one hundred one".
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