Base | Representation |
---|---|
bin | 1011011010001010101101 |
3 | 12121221120002 |
4 | 23122022231 |
5 | 1231201030 |
6 | 144034045 |
7 | 34264301 |
oct | 13321255 |
9 | 5557502 |
10 | 2990765 |
11 | 1763008 |
12 | 1002925 |
13 | 8093ab |
14 | 57bd01 |
15 | 3e1245 |
hex | 2da2ad |
2990765 has 8 divisors (see below), whose sum is σ = 3598560. Its totient is φ = 2386192.
The previous prime is 2990761. The next prime is 2990773. The reversal of 2990765 is 5670992.
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 2990765 - 22 = 2990761 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2990761) 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, 2426 + ... + 3444.
It is an arithmetic number, because the mean of its divisors is an integer number (449820).
22990765 is an apocalyptic number.
It is an amenable number.
2990765 is a deficient number, since it is larger than the sum of its proper divisors (607795).
2990765 is a wasteful number, since it uses less digits than its factorization.
2990765 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1611.
The product of its (nonzero) digits is 34020, while the sum is 38.
The square root of 2990765 is about 1729.3828378933. The cubic root of 2990765 is about 144.0768140846.
The spelling of 2990765 in words is "two million, nine hundred ninety thousand, seven hundred sixty-five".
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