Base | Representation |
---|---|
bin | 1010101111110… |
… | …00001001010010 |
3 | 20021121212012010 |
4 | 11113320021102 |
5 | 141034122422 |
6 | 12540043350 |
7 | 2143136316 |
oct | 527701122 |
9 | 207555163 |
10 | 90145362 |
11 | 469805aa |
12 | 26233556 |
13 | 158a3168 |
14 | bd87b46 |
15 | 7da9b0c |
hex | 55f8252 |
90145362 has 32 divisors (see below), whose sum is σ = 182790144. Its totient is φ = 29635200.
The previous prime is 90145361. The next prime is 90145379. The reversal of 90145362 is 26354109.
It is a super-2 number, since 2×901453622 = 16252372580222088, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (90145361) 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, 213912 + ... + 214332.
It is an arithmetic number, because the mean of its divisors is an integer number (5712192).
Almost surely, 290145362 is an apocalyptic number.
90145362 is an abundant number, since it is smaller than the sum of its proper divisors (92644782).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90145362 is a wasteful number, since it uses less digits than its factorization.
90145362 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 834.
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 90145362 is about 9494.4911396030. The cubic root of 90145362 is about 448.3816137512.
The spelling of 90145362 in words is "ninety million, one hundred forty-five thousand, three hundred sixty-two".
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