Base | Representation |
---|---|
bin | 1010010000111101000101 |
3 | 12001201012102 |
4 | 22100331011 |
5 | 1142102020 |
6 | 133401445 |
7 | 31605101 |
oct | 12207505 |
9 | 5051172 |
10 | 2690885 |
11 | 157877a |
12 | a99285 |
13 | 732a52 |
14 | 500901 |
15 | 382475 |
hex | 290f45 |
2690885 has 8 divisors (see below), whose sum is σ = 3369600. Its totient is φ = 2059024.
The previous prime is 2690851. The next prime is 2690887. The reversal of 2690885 is 5880962.
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 2690885 - 28 = 2690629 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2690887) 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, 11585 + ... + 11814.
It is an arithmetic number, because the mean of its divisors is an integer number (421200).
22690885 is an apocalyptic number.
It is an amenable number.
2690885 is a deficient number, since it is larger than the sum of its proper divisors (678715).
2690885 is a wasteful number, since it uses less digits than its factorization.
2690885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23427.
The product of its (nonzero) digits is 34560, while the sum is 38.
The square root of 2690885 is about 1640.3917215104. The cubic root of 2690885 is about 139.0907917441.
The spelling of 2690885 in words is "two million, six hundred ninety thousand, eight hundred eighty-five".
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