Base | Representation |
---|---|
bin | 1010101111110… |
… | …10010010000001 |
3 | 20021122022012020 |
4 | 11113322102001 |
5 | 141034412423 |
6 | 12540152053 |
7 | 2143203660 |
oct | 527722201 |
9 | 207568166 |
10 | 90154113 |
11 | 46987135 |
12 | 26238629 |
13 | 158a713a |
14 | bd8add7 |
15 | 7dac4e3 |
hex | 55fa481 |
90154113 has 16 divisors (see below), whose sum is σ = 139971456. Its totient is φ = 50544000.
The previous prime is 90154091. The next prime is 90154117. The reversal of 90154113 is 31145109.
It is not a de Polignac number, because 90154113 - 25 = 90154081 is a prime.
It is not an unprimeable number, because it can be changed into a prime (90154117) 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 15 ways as a sum of consecutive naturals, for example, 39388 + ... + 41613.
It is an arithmetic number, because the mean of its divisors is an integer number (8748216).
Almost surely, 290154113 is an apocalyptic number.
It is an amenable number.
90154113 is a deficient number, since it is larger than the sum of its proper divisors (49817343).
90154113 is a wasteful number, since it uses less digits than its factorization.
90154113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81064.
The product of its (nonzero) digits is 540, while the sum is 24.
The square root of 90154113 is about 9494.9519746021. The cubic root of 90154113 is about 448.3961223939.
The spelling of 90154113 in words is "ninety million, one hundred fifty-four thousand, one hundred thirteen".
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