Base | Representation |
---|---|
bin | 1010101111100… |
… | …00111100001000 |
3 | 20021120100201000 |
4 | 11113300330020 |
5 | 141032201343 |
6 | 12535255000 |
7 | 2142654264 |
oct | 527607410 |
9 | 207510630 |
10 | 90115848 |
11 | 46960409 |
12 | 2621a460 |
13 | 158928b4 |
14 | bd7b0a4 |
15 | 7da0ed3 |
hex | 55f0f08 |
90115848 has 32 divisors (see below), whose sum is σ = 250322400. Its totient is φ = 30038544.
The previous prime is 90115843. The next prime is 90115891. The reversal of 90115848 is 84851109.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (90115843) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208386 + ... + 208817.
It is an arithmetic number, because the mean of its divisors is an integer number (7822575).
Almost surely, 290115848 is an apocalyptic number.
It is an amenable number.
90115848 is an abundant number, since it is smaller than the sum of its proper divisors (160206552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90115848 is a wasteful number, since it uses less digits than its factorization.
90115848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 417218 (or 417208 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 36.
The square root of 90115848 is about 9492.9367426524. The cubic root of 90115848 is about 448.3326743525.
The spelling of 90115848 in words is "ninety million, one hundred fifteen thousand, eight hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •