Base | Representation |
---|---|
bin | 1000001100110011010110 |
3 | 11001012200110 |
4 | 20030303112 |
5 | 1022241330 |
6 | 114023450 |
7 | 24162012 |
oct | 10146326 |
9 | 4035613 |
10 | 2149590 |
11 | 1239023 |
12 | 877b86 |
13 | 5a3561 |
14 | 3dd542 |
15 | 2c6db0 |
hex | 20ccd6 |
2149590 has 32 divisors (see below), whose sum is σ = 5230080. Its totient is φ = 565344.
The previous prime is 2149573. The next prime is 2149591. The reversal of 2149590 is 959412.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2149591) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1917 + ... + 2823.
It is an arithmetic number, because the mean of its divisors is an integer number (163440).
22149590 is an apocalyptic number.
2149590 is an abundant number, since it is smaller than the sum of its proper divisors (3080490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2149590 is a wasteful number, since it uses less digits than its factorization.
2149590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 996.
The product of its (nonzero) digits is 3240, while the sum is 30.
The square root of 2149590 is about 1466.1480143560. The cubic root of 2149590 is about 129.0580833322.
The spelling of 2149590 in words is "two million, one hundred forty-nine thousand, five hundred ninety".
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