Base | Representation |
---|---|
bin | 1011011010001101001101 |
3 | 12121221210000 |
4 | 23122031031 |
5 | 1231202200 |
6 | 144034513 |
7 | 34264620 |
oct | 13321515 |
9 | 5557700 |
10 | 2990925 |
11 | 1763143 |
12 | 1002a39 |
13 | 8094a2 |
14 | 57bdb7 |
15 | 3e1300 |
hex | 2da34d |
2990925 has 60 divisors (see below), whose sum is σ = 6361696. Its totient is φ = 1360800.
The previous prime is 2990917. The next prime is 2990927. The reversal of 2990925 is 5290992.
It is not a de Polignac number, because 2990925 - 23 = 2990917 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a zygodrome in base 9.
It is a self number, because there is not a number n which added to its sum of digits gives 2990925.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2990927) by changing a digit.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 14070 + ... + 14280.
22990925 is an apocalyptic number.
2990925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2990925 is an abundant number, since it is smaller than the sum of its proper divisors (3370771).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2990925 is a wasteful number, since it uses less digits than its factorization.
2990925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 240 (or 226 counting only the distinct ones).
The product of its (nonzero) digits is 14580, while the sum is 36.
The square root of 2990925 is about 1729.4290965518. The cubic root of 2990925 is about 144.0793833134.
The spelling of 2990925 in words is "two million, nine hundred ninety thousand, nine hundred twenty-five".
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