Base | Representation |
---|---|
bin | 1001010110110110011010 |
3 | 11121121201210 |
4 | 21112312122 |
5 | 1111443030 |
6 | 124323550 |
7 | 26564166 |
oct | 11266632 |
9 | 4547653 |
10 | 2452890 |
11 | 1425990 |
12 | 9a35b6 |
13 | 67b61b |
14 | 47bca6 |
15 | 336bb0 |
hex | 256d9a |
2452890 has 32 divisors (see below), whose sum is σ = 6422976. Its totient is φ = 594560.
The previous prime is 2452889. The next prime is 2452897. The reversal of 2452890 is 982542.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (2452897) 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, 3387 + ... + 4046.
It is an arithmetic number, because the mean of its divisors is an integer number (200718).
22452890 is an apocalyptic number.
2452890 is an abundant number, since it is smaller than the sum of its proper divisors (3970086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2452890 is a wasteful number, since it uses less digits than its factorization.
2452890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7454.
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 2452890 is about 1566.1704888038. The cubic root of 2452890 is about 134.8629610756.
The spelling of 2452890 in words is "two million, four hundred fifty-two thousand, eight hundred ninety".
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