Base | Representation |
---|---|
bin | 1001011111110010001111 |
3 | 11200110221020 |
4 | 21133302033 |
5 | 1114130422 |
6 | 125205223 |
7 | 30105660 |
oct | 11376217 |
9 | 4613836 |
10 | 2489487 |
11 | 1450430 |
12 | a00813 |
13 | 692190 |
14 | 48b367 |
15 | 34295c |
hex | 25fc8f |
2489487 has 32 divisors (see below), whose sum is σ = 4462080. Its totient is φ = 1192320.
The previous prime is 2489483. The next prime is 2489491. The reversal of 2489487 is 7849842.
It is an interprime number because it is at equal distance from previous prime (2489483) and next prime (2489491).
It is not a de Polignac number, because 2489487 - 22 = 2489483 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2489483) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2589 + ... + 3417.
It is an arithmetic number, because the mean of its divisors is an integer number (139440).
22489487 is an apocalyptic number.
2489487 is a deficient number, since it is larger than the sum of its proper divisors (1972593).
2489487 is a wasteful number, since it uses less digits than its factorization.
2489487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 863.
The product of its digits is 129024, while the sum is 42.
The square root of 2489487 is about 1577.8108251625. The cubic root of 2489487 is about 135.5303690503.
The spelling of 2489487 in words is "two million, four hundred eighty-nine thousand, four hundred eighty-seven".
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