Base | Representation |
---|---|
bin | 1011000000111… |
… | …00011011111001 |
3 | 20102211221211212 |
4 | 11200130123321 |
5 | 142123004121 |
6 | 13100132505 |
7 | 2201211662 |
oct | 540343371 |
9 | 212757755 |
10 | 92391161 |
11 | 48174935 |
12 | 26b37135 |
13 | 161ab435 |
14 | c3b0369 |
15 | 81a025b |
hex | 581c6f9 |
92391161 has 4 divisors (see below), whose sum is σ = 96408192. Its totient is φ = 88374132.
The previous prime is 92391151. The next prime is 92391181. The reversal of 92391161 is 16119329.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16119329 = 67 ⋅240587.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-92391161 is a prime.
It is a super-2 number, since 2×923911612 = 17072253261855842, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (92391151) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2008481 + ... + 2008526.
It is an arithmetic number, because the mean of its divisors is an integer number (24102048).
Almost surely, 292391161 is an apocalyptic number.
It is an amenable number.
92391161 is a deficient number, since it is larger than the sum of its proper divisors (4017031).
92391161 is a wasteful number, since it uses less digits than its factorization.
92391161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4017030.
The product of its digits is 2916, while the sum is 32.
The square root of 92391161 is about 9612.0320952440. The cubic root of 92391161 is about 452.0746362380.
The spelling of 92391161 in words is "ninety-two million, three hundred ninety-one thousand, one hundred sixty-one".
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