Base | Representation |
---|---|
bin | 1010110011000010… |
… | …1010100100100111 |
3 | 21110222220221001211 |
4 | 2230300222210213 |
5 | 21414000012224 |
6 | 1155335332251 |
7 | 131553214561 |
oct | 25460524447 |
9 | 7428827054 |
10 | 2898438439 |
11 | 1258102776 |
12 | 68a821087 |
13 | 372645040 |
14 | 1d6d2a331 |
15 | 11e6d1894 |
hex | acc2a927 |
2898438439 has 4 divisors (see below), whose sum is σ = 3121395256. Its totient is φ = 2675481624.
The previous prime is 2898438427. The next prime is 2898438451. The reversal of 2898438439 is 9348348982.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (2898438427) and next prime (2898438451).
It is a cyclic number.
It is not a de Polignac number, because 2898438439 - 213 = 2898430247 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2898438479) 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, 111478389 + ... + 111478414.
It is an arithmetic number, because the mean of its divisors is an integer number (780348814).
Almost surely, 22898438439 is an apocalyptic number.
2898438439 is a deficient number, since it is larger than the sum of its proper divisors (222956817).
2898438439 is a wasteful number, since it uses less digits than its factorization.
2898438439 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222956816.
The product of its digits is 11943936, while the sum is 58.
The square root of 2898438439 is about 53837.1473891401. The cubic root of 2898438439 is about 1425.7871410298.
The spelling of 2898438439 in words is "two billion, eight hundred ninety-eight million, four hundred thirty-eight thousand, four hundred thirty-nine".
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