Base | Representation |
---|---|
bin | 1010110110101… |
… | …10001101011000 |
3 | 20100100001220001 |
4 | 11123112031120 |
5 | 141302224221 |
6 | 13011342344 |
7 | 2153645200 |
oct | 533261530 |
9 | 210301801 |
10 | 91054936 |
11 | 47441a15 |
12 | 265b19b4 |
13 | 15b3117b |
14 | c143400 |
15 | 7ed9391 |
hex | 56d6358 |
91054936 has 96 divisors (see below), whose sum is σ = 210124800. Its totient is φ = 36832320.
The previous prime is 91054927. The next prime is 91054939. The reversal of 91054936 is 63945019.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 91054895 and 91054904.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (91054939) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 716905 + ... + 717031.
It is an arithmetic number, because the mean of its divisors is an integer number (2188800).
Almost surely, 291054936 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 91054936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105062400).
91054936 is an abundant number, since it is smaller than the sum of its proper divisors (119069864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91054936 is a wasteful number, since it uses less digits than its factorization.
91054936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237 (or 226 counting only the distinct ones).
The product of its (nonzero) digits is 29160, while the sum is 37.
The square root of 91054936 is about 9542.2710085178. The cubic root of 91054936 is about 449.8846387415.
It can be divided in two parts, 9105 and 4936, that added together give a palindrome (14041).
The spelling of 91054936 in words is "ninety-one million, fifty-four thousand, nine hundred thirty-six".
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