Base | Representation |
---|---|
bin | 1000001110001001001010 |
3 | 11001111012212 |
4 | 20032021022 |
5 | 1022430312 |
6 | 114105122 |
7 | 24214016 |
oct | 10161112 |
9 | 4044185 |
10 | 2155082 |
11 | 1242166 |
12 | 87b1a2 |
13 | 5a5bc7 |
14 | 401546 |
15 | 2c8822 |
hex | 20e24a |
2155082 has 4 divisors (see below), whose sum is σ = 3232626. Its totient is φ = 1077540.
The previous prime is 2155079. The next prime is 2155103. The reversal of 2155082 is 2805512.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 1343281 + 811801 = 1159^2 + 901^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538769 + ... + 538772.
22155082 is an apocalyptic number.
2155082 is a deficient number, since it is larger than the sum of its proper divisors (1077544).
2155082 is a wasteful number, since it uses less digits than its factorization.
2155082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1077543.
The product of its (nonzero) digits is 800, while the sum is 23.
The square root of 2155082 is about 1468.0197546355. The cubic root of 2155082 is about 129.1679002773.
The spelling of 2155082 in words is "two million, one hundred fifty-five thousand, eighty-two".
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