Base | Representation |
---|---|
bin | 11010100001010… |
… | …10100111111100 |
3 | 120111121210011122 |
4 | 31100222213330 |
5 | 423423111300 |
6 | 34024210112 |
7 | 5340662312 |
oct | 1520524774 |
9 | 514553148 |
10 | 222472700 |
11 | 10464203a |
12 | 62609938 |
13 | 37125068 |
14 | 217920b2 |
15 | 147e7c85 |
hex | d42a9fc |
222472700 has 36 divisors (see below), whose sum is σ = 487567752. Its totient is φ = 88104000.
The previous prime is 222472681. The next prime is 222472751. The reversal of 222472700 is 7274222.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 222472700.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 914 + ... + 21113.
Almost surely, 2222472700 is an apocalyptic number.
222472700 is a gapful number since it is divisible by the number (20) 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 222472700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243783876).
222472700 is an abundant number, since it is smaller than the sum of its proper divisors (265095052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222472700 is a wasteful number, since it uses less digits than its factorization.
222472700 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22142 (or 22135 counting only the distinct ones).
The product of its (nonzero) digits is 3136, while the sum is 26.
The square root of 222472700 is about 14915.5187640256. The cubic root of 222472700 is about 605.9343529915.
The spelling of 222472700 in words is "two hundred twenty-two million, four hundred seventy-two thousand, seven hundred".
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