Base | Representation |
---|---|
bin | 1000001010010000111011 |
3 | 11000200102110 |
4 | 20022100323 |
5 | 1021423240 |
6 | 113503403 |
7 | 24116502 |
oct | 10122073 |
9 | 4020373 |
10 | 2139195 |
11 | 1231233 |
12 | 871b63 |
13 | 59b8c6 |
14 | 3d9839 |
15 | 2c3c80 |
hex | 20a43b |
2139195 has 16 divisors (see below), whose sum is σ = 3624480. Its totient is φ = 1073664.
The previous prime is 2139167. The next prime is 2139199. The reversal of 2139195 is 5919312.
It is not a de Polignac number, because 2139195 - 26 = 2139131 is a prime.
2139195 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2139199) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3940 + ... + 4449.
It is an arithmetic number, because the mean of its divisors is an integer number (226530).
22139195 is an apocalyptic number.
2139195 is a deficient number, since it is larger than the sum of its proper divisors (1485285).
2139195 is a wasteful number, since it uses less digits than its factorization.
2139195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8414.
The product of its digits is 2430, while the sum is 30.
The square root of 2139195 is about 1462.5987146172. The cubic root of 2139195 is about 128.8497138120.
The spelling of 2139195 in words is "two million, one hundred thirty-nine thousand, one hundred ninety-five".
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