Base | Representation |
---|---|
bin | 1001100000110110010111 |
3 | 11200200220201 |
4 | 21200312113 |
5 | 1114300342 |
6 | 125241331 |
7 | 30124456 |
oct | 11406627 |
9 | 4620821 |
10 | 2493847 |
11 | 1453734 |
12 | a03247 |
13 | 694165 |
14 | 48cb9d |
15 | 343db7 |
hex | 260d97 |
2493847 has 4 divisors (see below), whose sum is σ = 2513016. Its totient is φ = 2474680.
The previous prime is 2493833. The next prime is 2493851. The reversal of 2493847 is 7483942.
It is a happy number.
2493847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7483942 = 2 ⋅3741971.
It is a cyclic number.
It is not a de Polignac number, because 2493847 - 27 = 2493719 is a prime.
It is a d-powerful number, because it can be written as 25 + 4 + 95 + 313 + 83 + 47 + 77 .
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2493817) 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 3 ways as a sum of consecutive naturals, for example, 9388 + ... + 9649.
It is an arithmetic number, because the mean of its divisors is an integer number (628254).
22493847 is an apocalyptic number.
2493847 is a deficient number, since it is larger than the sum of its proper divisors (19169).
2493847 is a wasteful number, since it uses less digits than its factorization.
2493847 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19168.
The product of its digits is 48384, while the sum is 37.
The square root of 2493847 is about 1579.1918819447. The cubic root of 2493847 is about 135.6094439462.
It can be divided in two parts, 249 and 3847, that added together give a 12-th power (4096 = 212).
The spelling of 2493847 in words is "two million, four hundred ninety-three thousand, eight hundred forty-seven".
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