Base | Representation |
---|---|
bin | 11010100001000… |
… | …10010111000100 |
3 | 120111120001202000 |
4 | 31100202113010 |
5 | 423421020402 |
6 | 34023345300 |
7 | 5340461526 |
oct | 1520422704 |
9 | 514501660 |
10 | 222438852 |
11 | 104619669 |
12 | 625b2230 |
13 | 3711282c |
14 | 21783a16 |
15 | 147dcc1c |
hex | d4225c4 |
222438852 has 48 divisors (see below), whose sum is σ = 607051200. Its totient is φ = 70243200.
The previous prime is 222438851. The next prime is 222438859. The reversal of 222438852 is 258834222.
222438852 is a `hidden beast` number, since 2 + 224 + 388 + 52 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (222438851) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 52149 + ... + 56252.
It is an arithmetic number, because the mean of its divisors is an integer number (12646900).
Almost surely, 2222438852 is an apocalyptic number.
It is an amenable number.
222438852 is an abundant number, since it is smaller than the sum of its proper divisors (384612348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222438852 is a wasteful number, since it uses less digits than its factorization.
222438852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108433 (or 108425 counting only the distinct ones).
The product of its digits is 61440, while the sum is 36.
The square root of 222438852 is about 14914.3840637151. The cubic root of 222438852 is about 605.9036215711.
The spelling of 222438852 in words is "two hundred twenty-two million, four hundred thirty-eight thousand, eight hundred fifty-two".
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