Base | Representation |
---|---|
bin | 1000001100101010010100 |
3 | 11001011220001 |
4 | 20030222110 |
5 | 1022232022 |
6 | 114021044 |
7 | 24160225 |
oct | 10145224 |
9 | 4034801 |
10 | 2149012 |
11 | 1238648 |
12 | 877784 |
13 | 5a3208 |
14 | 3dd24c |
15 | 2c6b27 |
hex | 20ca94 |
2149012 has 12 divisors (see below), whose sum is σ = 3771040. Its totient is φ = 1071576.
The previous prime is 2149003. The next prime is 2149031. The reversal of 2149012 is 2109412.
It is a super-2 number, since 2×21490122 = 9236505152288, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2539 + ... + 3277.
22149012 is an apocalyptic number.
It is an amenable number.
2149012 is a deficient number, since it is larger than the sum of its proper divisors (1622028).
2149012 is a wasteful number, since it uses less digits than its factorization.
2149012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1470 (or 1468 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 19.
The square root of 2149012 is about 1465.9508859440. The cubic root of 2149012 is about 129.0465148844.
Adding to 2149012 its product of nonzero digits (144), we get a square (2149156 = 14662).
The spelling of 2149012 in words is "two million, one hundred forty-nine thousand, twelve".
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