Base | Representation |
---|---|
bin | 11010100010010… |
… | …110010111001000 |
3 | 1011000202010012012 |
4 | 122202112113020 |
5 | 1402433241404 |
6 | 112102235052 |
7 | 14014145321 |
oct | 3242262710 |
9 | 1130663165 |
10 | 445212104 |
11 | 209346497 |
12 | 105125a88 |
13 | 7131161c |
14 | 431b3448 |
15 | 29144a6e |
hex | 1a8965c8 |
445212104 has 64 divisors (see below), whose sum is σ = 922060800. Its totient is φ = 200591424.
The previous prime is 445212101. The next prime is 445212109. The reversal of 445212104 is 401212544.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a self number, because there is not a number n which added to its sum of digits gives 445212104.
It is not an unprimeable number, because it can be changed into a prime (445212101) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 1212929 + ... + 1213295.
It is an arithmetic number, because the mean of its divisors is an integer number (14407200).
Almost surely, 2445212104 is an apocalyptic number.
It is an amenable number.
445212104 is an abundant number, since it is smaller than the sum of its proper divisors (476848696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
445212104 is a wasteful number, since it uses less digits than its factorization.
445212104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 762 (or 758 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 23.
The square root of 445212104 is about 21100.0498577610. The cubic root of 445212104 is about 763.5819510566.
Adding to 445212104 its reverse (401212544), we get a palindrome (846424648).
The spelling of 445212104 in words is "four hundred forty-five million, two hundred twelve thousand, one hundred four".
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