Base | Representation |
---|---|
bin | 1001011111110111010100 |
3 | 11200111101021 |
4 | 21133313110 |
5 | 1114133222 |
6 | 125210524 |
7 | 30106633 |
oct | 11376724 |
9 | 4614337 |
10 | 2489812 |
11 | 14506a6 |
12 | a00a44 |
13 | 692380 |
14 | 48b51a |
15 | 342ac7 |
hex | 25fdd4 |
2489812 has 12 divisors (see below), whose sum is σ = 4692436. Its totient is φ = 1149120.
The previous prime is 2489801. The next prime is 2489813. The reversal of 2489812 is 2189842.
It can be written as a sum of positive squares in 2 ways, for example, as 1336336 + 1153476 = 1156^2 + 1074^2 .
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2489813) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23889 + ... + 23992.
22489812 is an apocalyptic number.
It is an amenable number.
2489812 is a deficient number, since it is larger than the sum of its proper divisors (2202624).
2489812 is a wasteful number, since it uses less digits than its factorization.
2489812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47898 (or 47896 counting only the distinct ones).
The product of its digits is 9216, while the sum is 34.
The square root of 2489812 is about 1577.9138126019. The cubic root of 2489812 is about 135.5362665777.
The spelling of 2489812 in words is "two million, four hundred eighty-nine thousand, eight hundred twelve".
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