Base | Representation |
---|---|
bin | 1010111010000… |
… | …00001100001010 |
3 | 20101011010100202 |
4 | 11131000030022 |
5 | 141410122114 |
6 | 13024532202 |
7 | 2160433610 |
oct | 535001412 |
9 | 211133322 |
10 | 91489034 |
11 | 4770907a |
12 | 26781062 |
13 | 15c53930 |
14 | c2176b0 |
15 | 8072cde |
hex | 574030a |
91489034 has 16 divisors (see below), whose sum is σ = 168903168. Its totient is φ = 36193392.
The previous prime is 91489007. The next prime is 91489037. The reversal of 91489034 is 43098419.
It is a super-4 number, since 4×914890344 (a number of 33 digits) contains 4444 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (91489037) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251162 + ... + 251525.
It is an arithmetic number, because the mean of its divisors is an integer number (10556448).
Almost surely, 291489034 is an apocalyptic number.
91489034 is a deficient number, since it is larger than the sum of its proper divisors (77414134).
91489034 is a wasteful number, since it uses less digits than its factorization.
91489034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 502709.
The product of its (nonzero) digits is 31104, while the sum is 38.
The square root of 91489034 is about 9564.9900156770. The cubic root of 91489034 is about 450.5984367323.
The spelling of 91489034 in words is "ninety-one million, four hundred eighty-nine thousand, thirty-four".
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