Base | Representation |
---|---|
bin | 111110010010010… |
… | …1111101100001101 |
3 | 12101122201101001010 |
4 | 1330210233230031 |
5 | 13240020213214 |
6 | 543220035433 |
7 | 102535524525 |
oct | 17444575415 |
9 | 5348641033 |
10 | 2090007309 |
11 | 982833475 |
12 | 4a3b32b79 |
13 | 273ccc720 |
14 | 15b808685 |
15 | c3741659 |
hex | 7c92fb0d |
2090007309 has 16 divisors (see below), whose sum is σ = 3131517312. Its totient is φ = 1230237888.
The previous prime is 2090007281. The next prime is 2090007317. The reversal of 2090007309 is 9037000902.
It is not a de Polignac number, because 2090007309 - 28 = 2090007053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2090007329) 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, 1164102 + ... + 1165895.
It is an arithmetic number, because the mean of its divisors is an integer number (195719832).
Almost surely, 22090007309 is an apocalyptic number.
It is an amenable number.
2090007309 is a deficient number, since it is larger than the sum of its proper divisors (1041510003).
2090007309 is a wasteful number, since it uses less digits than its factorization.
2090007309 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2330036.
The product of its (nonzero) digits is 3402, while the sum is 30.
The square root of 2090007309 is about 45716.5977408643. The cubic root of 2090007309 is about 1278.5447550391.
The spelling of 2090007309 in words is "two billion, ninety million, seven thousand, three hundred nine".
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