Base | Representation |
---|---|
bin | 1010101111101… |
… | …11000101111110 |
3 | 20021121122021120 |
4 | 11113313011332 |
5 | 141034003204 |
6 | 12540011410 |
7 | 2143120623 |
oct | 527670576 |
9 | 207548246 |
10 | 90141054 |
11 | 46978343 |
12 | 26230b66 |
13 | 158a1203 |
14 | bd8634a |
15 | 7da86d9 |
hex | 55f717e |
90141054 has 32 divisors (see below), whose sum is σ = 192192000. Its totient is φ = 28102464.
The previous prime is 90141049. The next prime is 90141061. The reversal of 90141054 is 45014109.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4002 + ... + 14010.
It is an arithmetic number, because the mean of its divisors is an integer number (6006000).
Almost surely, 290141054 is an apocalyptic number.
90141054 is an abundant number, since it is smaller than the sum of its proper divisors (102050946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90141054 is a wasteful number, since it uses less digits than its factorization.
90141054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10112.
The product of its (nonzero) digits is 720, while the sum is 24.
The square root of 90141054 is about 9494.2642684939. The cubic root of 90141054 is about 448.3744709960.
It can be divided in two parts, 9014105 and 4, that added together give a palindrome (9014109).
The spelling of 90141054 in words is "ninety million, one hundred forty-one thousand, fifty-four".
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