Base | Representation |
---|---|
bin | 1011011001100001001001 |
3 | 12121210220120 |
4 | 23121201021 |
5 | 1231104410 |
6 | 144013453 |
7 | 34253451 |
oct | 13314111 |
9 | 5553816 |
10 | 2988105 |
11 | 176100a |
12 | 1001289 |
13 | 808113 |
14 | 57ad61 |
15 | 3e0570 |
hex | 2d9849 |
2988105 has 8 divisors (see below), whose sum is σ = 4780992. Its totient is φ = 1593648.
The previous prime is 2988101. The next prime is 2988143. The reversal of 2988105 is 5018892.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2988105 - 22 = 2988101 is a prime.
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (2988101) 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, 99589 + ... + 99618.
It is an arithmetic number, because the mean of its divisors is an integer number (597624).
22988105 is an apocalyptic number.
It is an amenable number.
2988105 is a deficient number, since it is larger than the sum of its proper divisors (1792887).
2988105 is a wasteful number, since it uses less digits than its factorization.
2988105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 199215.
The product of its (nonzero) digits is 5760, while the sum is 33.
The square root of 2988105 is about 1728.6136063331. The cubic root of 2988105 is about 144.0340872236.
The spelling of 2988105 in words is "two million, nine hundred eighty-eight thousand, one hundred five".
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