Base | Representation |
---|---|
bin | 100010101110… |
… | …001010101010 |
3 | 122010102120220 |
4 | 202232022222 |
5 | 4312230434 |
6 | 523030510 |
7 | 140236266 |
oct | 42561252 |
9 | 18112526 |
10 | 9101994 |
11 | 5157510 |
12 | 306b436 |
13 | 1b68bc5 |
14 | 12cd0a6 |
15 | bebd49 |
hex | 8ae2aa |
9101994 has 16 divisors (see below), whose sum is σ = 19859040. Its totient is φ = 2758160.
The previous prime is 9101977. The next prime is 9101999. The reversal of 9101994 is 4991019.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (9101999) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68889 + ... + 69020.
It is an arithmetic number, because the mean of its divisors is an integer number (1241190).
Almost surely, 29101994 is an apocalyptic number.
9101994 is an abundant number, since it is smaller than the sum of its proper divisors (10757046).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9101994 is a wasteful number, since it uses less digits than its factorization.
9101994 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137925.
The product of its (nonzero) digits is 2916, while the sum is 33.
The square root of 9101994 is about 3016.9511099784. The cubic root of 9101994 is about 208.7911958091.
The spelling of 9101994 in words is "nine million, one hundred one thousand, nine hundred ninety-four".
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