Base | Representation |
---|---|
bin | 1000010001100011001111 |
3 | 11002012100210 |
4 | 20101203033 |
5 | 1023402124 |
6 | 114253503 |
7 | 24302505 |
oct | 10214317 |
9 | 4065323 |
10 | 2169039 |
11 | 12516a4 |
12 | 887293 |
13 | 5ac372 |
14 | 406675 |
15 | 2cca29 |
hex | 2118cf |
2169039 has 16 divisors (see below), whose sum is σ = 3032064. Its totient is φ = 1377600.
The previous prime is 2169031. The next prime is 2169071. The reversal of 2169039 is 9309612.
It is not a de Polignac number, because 2169039 - 23 = 2169031 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2168997 and 2169015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2169031) 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, 7579 + ... + 7859.
It is an arithmetic number, because the mean of its divisors is an integer number (189504).
22169039 is an apocalyptic number.
2169039 is a deficient number, since it is larger than the sum of its proper divisors (863025).
2169039 is a wasteful number, since it uses less digits than its factorization.
2169039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 398.
The product of its (nonzero) digits is 2916, while the sum is 30.
The square root of 2169039 is about 1472.7657654902. The cubic root of 2169039 is about 129.4461446779.
The spelling of 2169039 in words is "two million, one hundred sixty-nine thousand, thirty-nine".
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