Base | Representation |
---|---|
bin | 1010110110100… |
… | …10111011010100 |
3 | 20100022101110010 |
4 | 11123102323110 |
5 | 141301311432 |
6 | 13011200220 |
7 | 2153561043 |
oct | 533227324 |
9 | 210271403 |
10 | 91041492 |
11 | 47432903 |
12 | 265a6070 |
13 | 15b28009 |
14 | c13c55a |
15 | 7ed53cc |
hex | 56d2ed4 |
91041492 has 48 divisors (see below), whose sum is σ = 221538240. Its totient is φ = 29073408.
The previous prime is 91041481. The next prime is 91041493. The reversal of 91041492 is 29414019.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (91041493) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25684 + ... + 29012.
It is an arithmetic number, because the mean of its divisors is an integer number (4615380).
Almost surely, 291041492 is an apocalyptic number.
It is an amenable number.
91041492 is an abundant number, since it is smaller than the sum of its proper divisors (130496748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91041492 is a wasteful number, since it uses less digits than its factorization.
91041492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3432 (or 3430 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 91041492 is about 9541.5665380481. The cubic root of 91041492 is about 449.8624962597.
The spelling of 91041492 in words is "ninety-one million, forty-one thousand, four hundred ninety-two".
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