Base | Representation |
---|---|
bin | 1000001110101000100000 |
3 | 11001120222011 |
4 | 20032220200 |
5 | 1023011323 |
6 | 114122304 |
7 | 24222613 |
oct | 10165040 |
9 | 4046864 |
10 | 2157088 |
11 | 124371a |
12 | 880394 |
13 | 5a6aab |
14 | 40217a |
15 | 2c920d |
hex | 20ea20 |
2157088 has 12 divisors (see below), whose sum is σ = 4246830. Its totient is φ = 1078528.
The previous prime is 2157041. The next prime is 2157091. The reversal of 2157088 is 8807512.
It can be written as a sum of positive squares in only one way, i.e., 1710864 + 446224 = 1308^2 + 668^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33673 + ... + 33736.
22157088 is an apocalyptic number.
It is an amenable number.
2157088 is a deficient number, since it is larger than the sum of its proper divisors (2089742).
2157088 is an equidigital number, since it uses as much as digits as its factorization.
2157088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67419 (or 67411 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 31.
The square root of 2157088 is about 1468.7028290298. The cubic root of 2157088 is about 129.2079653350.
The spelling of 2157088 in words is "two million, one hundred fifty-seven thousand, eighty-eight".
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