Base | Representation |
---|---|
bin | 11010100010011… |
… | …001100100100110 |
3 | 1011000202210020020 |
4 | 122202121210212 |
5 | 1402434202004 |
6 | 112102420010 |
7 | 14014231545 |
oct | 3242314446 |
9 | 1130683206 |
10 | 445225254 |
11 | 209355361 |
12 | 105131606 |
13 | 713175c6 |
14 | 431b815c |
15 | 291488d9 |
hex | 1a899926 |
445225254 has 16 divisors (see below), whose sum is σ = 894274992. Its totient is φ = 147771008.
The previous prime is 445225241. The next prime is 445225289. The reversal of 445225254 is 452522544.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157839 + ... + 160634.
It is an arithmetic number, because the mean of its divisors is an integer number (55892187).
Almost surely, 2445225254 is an apocalyptic number.
445225254 is an abundant number, since it is smaller than the sum of its proper divisors (449049738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
445225254 is a wasteful number, since it uses less digits than its factorization.
445225254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 318711.
The product of its digits is 64000, while the sum is 33.
The square root of 445225254 is about 21100.3614660982. The cubic root of 445225254 is about 763.5894688245.
Adding to 445225254 its reverse (452522544), we get a palindrome (897747798).
The spelling of 445225254 in words is "four hundred forty-five million, two hundred twenty-five thousand, two hundred fifty-four".
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