Base | Representation |
---|---|
bin | 1011111111101011010101 |
3 | 12220202022110 |
4 | 23333223111 |
5 | 1301110110 |
6 | 151221233 |
7 | 35504235 |
oct | 13775325 |
9 | 5822273 |
10 | 3144405 |
11 | 1858490 |
12 | 1077819 |
13 | 8612c4 |
14 | 5bbcc5 |
15 | 421a20 |
hex | 2ffad5 |
3144405 has 64 divisors (see below), whose sum is σ = 6220800. Its totient is φ = 1336320.
The previous prime is 3144403. The next prime is 3144419. The reversal of 3144405 is 5044413.
It is not a de Polignac number, because 3144405 - 21 = 3144403 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3144403) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53266 + ... + 53324.
It is an arithmetic number, because the mean of its divisors is an integer number (97200).
Almost surely, 23144405 is an apocalyptic number.
It is an amenable number.
3144405 is a deficient number, since it is larger than the sum of its proper divisors (3076395).
3144405 is a wasteful number, since it uses less digits than its factorization.
3144405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114.
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 3144405 is about 1773.2470217090. The cubic root of 3144405 is about 146.5028790296.
Adding to 3144405 its reverse (5044413), we get a palindrome (8188818).
The spelling of 3144405 in words is "three million, one hundred forty-four thousand, four hundred five".
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