Base | Representation |
---|---|
bin | 1010110100111011… |
… | …1111101010110001 |
3 | 21111112212212102022 |
4 | 2231032333222301 |
5 | 21423013423134 |
6 | 1200222001225 |
7 | 132010620545 |
oct | 25516775261 |
9 | 7445785368 |
10 | 2906389169 |
11 | 1261643222 |
12 | 691416215 |
13 | 374199c08 |
14 | 1d7dd9a25 |
15 | 12025252e |
hex | ad3bfab1 |
2906389169 has 8 divisors (see below), whose sum is σ = 3076452000. Its totient is φ = 2738035872.
The previous prime is 2906389163. The next prime is 2906389201. The reversal of 2906389169 is 9619836092.
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 2906389169 - 24 = 2906389153 is a prime.
It is a super-2 number, since 2×29063891692 = 16894196003361021122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2906389169.
It is not an unprimeable number, because it can be changed into a prime (2906389163) 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, 423884 + ... + 430685.
It is an arithmetic number, because the mean of its divisors is an integer number (384556500).
Almost surely, 22906389169 is an apocalyptic number.
It is an amenable number.
2906389169 is a deficient number, since it is larger than the sum of its proper divisors (170062831).
2906389169 is a wasteful number, since it uses less digits than its factorization.
2906389169 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 854767.
The product of its (nonzero) digits is 1259712, while the sum is 53.
The square root of 2906389169 is about 53910.9373782352. The cubic root of 2906389169 is about 1427.0896468751.
The spelling of 2906389169 in words is "two billion, nine hundred six million, three hundred eighty-nine thousand, one hundred sixty-nine".
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