Base | Representation |
---|---|
bin | 1010111001110… |
… | …01001001011101 |
3 | 20101002122210102 |
4 | 11130321021131 |
5 | 141403211224 |
6 | 13024150445 |
7 | 2160253532 |
oct | 534711135 |
9 | 211078712 |
10 | 91460189 |
11 | 47699437 |
12 | 26768425 |
13 | 15c43772 |
14 | c20ad89 |
15 | 80694ae |
hex | 573925d |
91460189 has 12 divisors (see below), whose sum is σ = 95259996. Its totient is φ = 87746112.
The previous prime is 91460179. The next prime is 91460197. The reversal of 91460189 is 98106419.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 51984100 + 39476089 = 7210^2 + 6283^2 .
It is a de Polignac number, because none of the positive numbers 2k-91460189 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (91460179) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392417 + ... + 392649.
It is an arithmetic number, because the mean of its divisors is an integer number (7938333).
Almost surely, 291460189 is an apocalyptic number.
It is an amenable number.
91460189 is a deficient number, since it is larger than the sum of its proper divisors (3799807).
91460189 is a wasteful number, since it uses less digits than its factorization.
91460189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 476 (or 373 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 38.
The square root of 91460189 is about 9563.4820541474. The cubic root of 91460189 is about 450.5510763091.
The spelling of 91460189 in words is "ninety-one million, four hundred sixty thousand, one hundred eighty-nine".
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