Base | Representation |
---|---|
bin | 1001010111010111001110 |
3 | 11121201121120 |
4 | 21113113032 |
5 | 1112024430 |
6 | 124341410 |
7 | 26603256 |
oct | 11272716 |
9 | 4551546 |
10 | 2454990 |
11 | 142751a |
12 | 9a4866 |
13 | 67c575 |
14 | 47c966 |
15 | 337610 |
hex | 2575ce |
2454990 has 64 divisors (see below), whose sum is σ = 6393600. Its totient is φ = 601344.
The previous prime is 2454961. The next prime is 2455001. The reversal of 2454990 is 994542.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33594 + ... + 33666.
It is an arithmetic number, because the mean of its divisors is an integer number (99900).
22454990 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2454990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3196800).
2454990 is an abundant number, since it is smaller than the sum of its proper divisors (3938610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2454990 is a wasteful number, since it uses less digits than its factorization.
2454990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 161.
The product of its (nonzero) digits is 12960, while the sum is 33.
The square root of 2454990 is about 1566.8407704678. The cubic root of 2454990 is about 134.9014369733.
The spelling of 2454990 in words is "two million, four hundred fifty-four thousand, nine hundred ninety".
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