Base | Representation |
---|---|
bin | 1000001101000111100101 |
3 | 11001021110102 |
4 | 20031013211 |
5 | 1022312020 |
6 | 114033445 |
7 | 24165542 |
oct | 10150745 |
9 | 4037412 |
10 | 2150885 |
11 | 1239aa0 |
12 | 878885 |
13 | 5a4019 |
14 | 3ddbc9 |
15 | 2c7475 |
hex | 20d1e5 |
2150885 has 8 divisors (see below), whose sum is σ = 2815776. Its totient is φ = 1564240.
The previous prime is 2150881. The next prime is 2150917. The reversal of 2150885 is 5880512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2150885 - 22 = 2150881 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2150881) 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, 19499 + ... + 19608.
It is an arithmetic number, because the mean of its divisors is an integer number (351972).
22150885 is an apocalyptic number.
It is an amenable number.
2150885 is a deficient number, since it is larger than the sum of its proper divisors (664891).
2150885 is a wasteful number, since it uses less digits than its factorization.
2150885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39123.
The product of its (nonzero) digits is 3200, while the sum is 29.
The square root of 2150885 is about 1466.5895813076. The cubic root of 2150885 is about 129.0839947334.
The spelling of 2150885 in words is "two million, one hundred fifty thousand, eight hundred eighty-five".
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