Base | Representation |
---|---|
bin | 1000001100110010011010 |
3 | 11001012121020 |
4 | 20030302122 |
5 | 1022241110 |
6 | 114023310 |
7 | 24161565 |
oct | 10146232 |
9 | 4035536 |
10 | 2149530 |
11 | 1238a79 |
12 | 877b36 |
13 | 5a3516 |
14 | 3dd4dc |
15 | 2c6d70 |
hex | 20cc9a |
2149530 has 32 divisors (see below), whose sum is σ = 5206464. Its totient is φ = 567936.
The previous prime is 2149517. The next prime is 2149559. The reversal of 2149530 is 359412.
It is a d-powerful number, because it can be written as 217 + 1 + 46 + 95 + 59 + 37 + 0 .
It is a self number, because there is not a number n which added to its sum of digits gives 2149530.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3849 + ... + 4371.
It is an arithmetic number, because the mean of its divisors is an integer number (162702).
22149530 is an apocalyptic number.
2149530 is an abundant number, since it is smaller than the sum of its proper divisors (3056934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2149530 is a wasteful number, since it uses less digits than its factorization.
2149530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 670.
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 2149530 is about 1466.1275524319. The cubic root of 2149530 is about 129.0568825517.
The spelling of 2149530 in words is "two million, one hundred forty-nine thousand, five hundred thirty".
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