Base | Representation |
---|---|
bin | 1010110111111… |
… | …01110001000010 |
3 | 20100122022011000 |
4 | 11123331301002 |
5 | 141322420322 |
6 | 13015032430 |
7 | 2155221444 |
oct | 533756102 |
9 | 210568130 |
10 | 91216962 |
11 | 47542721 |
12 | 2666b716 |
13 | 15b89b45 |
14 | c186494 |
15 | 801c3ac |
hex | 56fdc42 |
91216962 has 32 divisors (see below), whose sum is σ = 203284800. Its totient is φ = 30318624.
The previous prime is 91216921. The next prime is 91216963. The reversal of 91216962 is 26961219.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (91216963) 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, 18238 + ... + 22694.
It is an arithmetic number, because the mean of its divisors is an integer number (6352650).
Almost surely, 291216962 is an apocalyptic number.
91216962 is an abundant number, since it is smaller than the sum of its proper divisors (112067838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91216962 is a wasteful number, since it uses less digits than its factorization.
91216962 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4847 (or 4841 counting only the distinct ones).
The product of its digits is 11664, while the sum is 36.
The square root of 91216962 is about 9550.7571427610. The cubic root of 91216962 is about 450.1513268836.
The spelling of 91216962 in words is "ninety-one million, two hundred sixteen thousand, nine hundred sixty-two".
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