Base | Representation |
---|---|
bin | 1000010110110010010101 |
3 | 11010021210002 |
4 | 20112302111 |
5 | 1030043420 |
6 | 114541045 |
7 | 24422153 |
oct | 10266225 |
9 | 4107702 |
10 | 2190485 |
11 | 1266820 |
12 | 897785 |
13 | 5b905b |
14 | 4103d3 |
15 | 2d4075 |
hex | 216c95 |
2190485 has 8 divisors (see below), whose sum is σ = 2867616. Its totient is φ = 1593040.
The previous prime is 2190481. The next prime is 2190499. The reversal of 2190485 is 5840912.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2190485 - 22 = 2190481 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2190481) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19859 + ... + 19968.
It is an arithmetic number, because the mean of its divisors is an integer number (358452).
22190485 is an apocalyptic number.
It is an amenable number.
2190485 is a deficient number, since it is larger than the sum of its proper divisors (677131).
2190485 is a wasteful number, since it uses less digits than its factorization.
2190485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39843.
The product of its (nonzero) digits is 2880, while the sum is 29.
The square root of 2190485 is about 1480.0287159376. The cubic root of 2190485 is about 129.8713717849.
The spelling of 2190485 in words is "two million, one hundred ninety thousand, four hundred eighty-five".
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