Base | Representation |
---|---|
bin | 11010101010011… |
… | …11100000110100 |
3 | 120120212201210221 |
4 | 31111033200310 |
5 | 424230003442 |
6 | 34110024124 |
7 | 5354120020 |
oct | 1525174064 |
9 | 516781727 |
10 | 223672372 |
11 | 105291400 |
12 | 62aa8044 |
13 | 37455121 |
14 | 219c5380 |
15 | 14983467 |
hex | d54f834 |
223672372 has 72 divisors (see below), whose sum is σ = 497109312. Its totient is φ = 86190720.
The previous prime is 223672333. The next prime is 223672381. The reversal of 223672372 is 273276322.
223672372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2236723722 = 100058659992212768, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362208 + ... + 362824.
It is an arithmetic number, because the mean of its divisors is an integer number (6904296).
Almost surely, 2223672372 is an apocalyptic number.
223672372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 223672372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248554656).
223672372 is an abundant number, since it is smaller than the sum of its proper divisors (273436940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223672372 is a wasteful number, since it uses less digits than its factorization.
223672372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 757 (or 744 counting only the distinct ones).
The product of its digits is 42336, while the sum is 34.
The square root of 223672372 is about 14955.6802586843. The cubic root of 223672372 is about 607.0215571705.
The spelling of 223672372 in words is "two hundred twenty-three million, six hundred seventy-two thousand, three hundred seventy-two".
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