Base | Representation |
---|---|
bin | 1010101111100… |
… | …00111001001110 |
3 | 20021120100110010 |
4 | 11113300321032 |
5 | 141032200122 |
6 | 12535254050 |
7 | 2142653610 |
oct | 527607116 |
9 | 207510403 |
10 | 90115662 |
11 | 4696025a |
12 | 2621a326 |
13 | 158927a0 |
14 | bd7adb0 |
15 | 7da0e0c |
hex | 55f0e4e |
90115662 has 32 divisors (see below), whose sum is σ = 221824512. Its totient is φ = 23766624.
The previous prime is 90115661. The next prime is 90115693. The reversal of 90115662 is 26651109.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90115661) 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, 81978 + ... + 83069.
It is an arithmetic number, because the mean of its divisors is an integer number (6932016).
Almost surely, 290115662 is an apocalyptic number.
90115662 is an abundant number, since it is smaller than the sum of its proper divisors (131708850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90115662 is a wasteful number, since it uses less digits than its factorization.
90115662 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 165072.
The product of its (nonzero) digits is 3240, while the sum is 30.
The square root of 90115662 is about 9492.9269458898. The cubic root of 90115662 is about 448.3323658979.
The spelling of 90115662 in words is "ninety million, one hundred fifteen thousand, six hundred sixty-two".
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