Base | Representation |
---|---|
bin | 11010100011010… |
… | …00011010010000 |
3 | 120112002122022211 |
4 | 31101220122100 |
5 | 424004211101 |
6 | 34033441504 |
7 | 5343065200 |
oct | 1521503220 |
9 | 515078284 |
10 | 222725776 |
11 | 1047a5199 |
12 | 62710294 |
13 | 371b3300 |
14 | 2181a400 |
15 | 14847c51 |
hex | d468690 |
222725776 has 135 divisors (see below), whose sum is σ = 557151003. Its totient is φ = 85962240.
The previous prime is 222725759. The next prime is 222725791. The reversal of 222725776 is 677527222.
The square root of 222725776 is 14924.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 148352400 + 74373376 = 12180^2 + 8624^2 .
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5432316 + ... + 5432356.
Almost surely, 2222725776 is an apocalyptic number.
222725776 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
222725776 is the 14924-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 222725776
222725776 is an abundant number, since it is smaller than the sum of its proper divisors (334425227).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222725776 is a wasteful number, since it uses less digits than its factorization.
222725776 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130 (or 63 counting only the distinct ones).
The product of its digits is 164640, while the sum is 40.
The cubic root of 222725776 is about 606.1640281108.
The spelling of 222725776 in words is "two hundred twenty-two million, seven hundred twenty-five thousand, seven hundred seventy-six".
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