Base | Representation |
---|---|
bin | 1011011011110010111110 |
3 | 12122021201020 |
4 | 23123302332 |
5 | 1231404223 |
6 | 144125010 |
7 | 34322613 |
oct | 13336276 |
9 | 5567636 |
10 | 2997438 |
11 | 1768024 |
12 | 1006766 |
13 | 80c442 |
14 | 58050a |
15 | 3e31e3 |
hex | 2dbcbe |
2997438 has 16 divisors (see below), whose sum is σ = 6049296. Its totient is φ = 990080.
The previous prime is 2997419. The next prime is 2997439. The reversal of 2997438 is 8347992.
It is a super-3 number, since 3×29974383 = 80792655173338295016, which contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2997438.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2997439) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1533 + ... + 2888.
It is an arithmetic number, because the mean of its divisors is an integer number (378081).
22997438 is an apocalyptic number.
2997438 is an abundant number, since it is smaller than the sum of its proper divisors (3051858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2997438 is a wasteful number, since it uses less digits than its factorization.
2997438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4539.
The product of its digits is 108864, while the sum is 42.
The square root of 2997438 is about 1731.3110639050. The cubic root of 2997438 is about 144.1838893001.
The spelling of 2997438 in words is "two million, nine hundred ninety-seven thousand, four hundred thirty-eight".
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