Base | Representation |
---|---|
bin | 1011001010010110100101 |
3 | 12111122200222 |
4 | 23022112211 |
5 | 1222112424 |
6 | 142414125 |
7 | 33604403 |
oct | 13122645 |
9 | 5448628 |
10 | 2925989 |
11 | 1719380 |
12 | b91345 |
13 | 7b5a71 |
14 | 562473 |
15 | 3cbe5e |
hex | 2ca5a5 |
2925989 has 8 divisors (see below), whose sum is σ = 3379968. Its totient is φ = 2503360.
The previous prime is 2925977. The next prime is 2926003. The reversal of 2925989 is 9895292.
2925989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2925989 - 24 = 2925973 is a prime.
It is a super-2 number, since 2×29259892 = 17122823256242, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2925919) 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 7 ways as a sum of consecutive naturals, for example, 7637 + ... + 8010.
It is an arithmetic number, because the mean of its divisors is an integer number (422496).
22925989 is an apocalyptic number.
It is an amenable number.
2925989 is a deficient number, since it is larger than the sum of its proper divisors (453979).
2925989 is a wasteful number, since it uses less digits than its factorization.
2925989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15675.
The product of its digits is 116640, while the sum is 44.
The square root of 2925989 is about 1710.5522500058. The cubic root of 2925989 is about 143.0290419766.
The spelling of 2925989 in words is "two million, nine hundred twenty-five thousand, nine hundred eighty-nine".
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