Base | Representation |
---|---|
bin | 111110010011001… |
… | …1101100000111101 |
3 | 12101200120020002212 |
4 | 1330212131200331 |
5 | 13240124112044 |
6 | 543233430205 |
7 | 102542410154 |
oct | 17446354075 |
9 | 5350506085 |
10 | 2090457149 |
11 | 983010440 |
12 | 4a410b365 |
13 | 2741293c1 |
14 | 15b8c459b |
15 | c37cea9e |
hex | 7c99d83d |
2090457149 has 8 divisors (see below), whose sum is σ = 2282145600. Its totient is φ = 1899043200.
The previous prime is 2090457133. The next prime is 2090457163. The reversal of 2090457149 is 9417540902.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2090457149 - 24 = 2090457133 is a prime.
It is a super-2 number, since 2×20904571492 = 8740022183610416402, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2090457179) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52532 + ... + 83309.
It is an arithmetic number, because the mean of its divisors is an integer number (285268200).
Almost surely, 22090457149 is an apocalyptic number.
It is an amenable number.
2090457149 is a deficient number, since it is larger than the sum of its proper divisors (191688451).
2090457149 is a wasteful number, since it uses less digits than its factorization.
2090457149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137251.
The product of its (nonzero) digits is 90720, while the sum is 41.
The square root of 2090457149 is about 45721.5173523364. The cubic root of 2090457149 is about 1278.6364770970.
The spelling of 2090457149 in words is "two billion, ninety million, four hundred fifty-seven thousand, one hundred forty-nine".
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