Base | Representation |
---|---|
bin | 1010110000100… |
… | …00010000111010 |
3 | 20021210212201002 |
4 | 11120100100322 |
5 | 141100303104 |
6 | 12542125002 |
7 | 2144030330 |
oct | 530202072 |
9 | 207725632 |
10 | 90244154 |
11 | 46a38850 |
12 | 26280762 |
13 | 15909110 |
14 | bdb1b50 |
15 | 7dc901e |
hex | 561043a |
90244154 has 32 divisors (see below), whose sum is σ = 181754496. Its totient is φ = 32454720.
The previous prime is 90244153. The next prime is 90244159. The reversal of 90244154 is 45144209.
It is not an unprimeable number, because it can be changed into a prime (90244153) 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, 20537 + ... + 24540.
It is an arithmetic number, because the mean of its divisors is an integer number (5679828).
Almost surely, 290244154 is an apocalyptic number.
90244154 is an abundant number, since it is smaller than the sum of its proper divisors (91510342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90244154 is a wasteful number, since it uses less digits than its factorization.
90244154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45110.
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 90244154 is about 9499.6923108067. The cubic root of 90244154 is about 448.5453505701.
The spelling of 90244154 in words is "ninety million, two hundred forty-four thousand, one hundred fifty-four".
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