Base | Representation |
---|---|
bin | 1011000011110000101110 |
3 | 12110021200000 |
4 | 23003300232 |
5 | 1220231430 |
6 | 142045130 |
7 | 33432603 |
oct | 13036056 |
9 | 5407600 |
10 | 2898990 |
11 | 1700066 |
12 | b797a6 |
13 | 7a66a3 |
14 | 5566aa |
15 | 3c3e60 |
hex | 2c3c2e |
2898990 has 48 divisors (see below), whose sum is σ = 7823088. Its totient is φ = 772416.
The previous prime is 2898983. The next prime is 2898991. The reversal of 2898990 is 998982.
2898990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a plaindrome in base 14.
It is a zygodrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2898991) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1834 + ... + 3026.
It is an arithmetic number, because the mean of its divisors is an integer number (162981).
22898990 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2898990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3911544).
2898990 is an abundant number, since it is smaller than the sum of its proper divisors (4924098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2898990 is a wasteful number, since it uses less digits than its factorization.
2898990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1215 (or 1203 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 45.
The square root of 2898990 is about 1702.6420645573. The cubic root of 2898990 is about 142.5877575784.
The spelling of 2898990 in words is "two million, eight hundred ninety-eight thousand, nine hundred ninety".
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