Base | Representation |
---|---|
bin | 1010101111101… |
… | …11000101111111 |
3 | 20021121122021121 |
4 | 11113313011333 |
5 | 141034003210 |
6 | 12540011411 |
7 | 2143120624 |
oct | 527670577 |
9 | 207548247 |
10 | 90141055 |
11 | 46978344 |
12 | 26230b67 |
13 | 158a1204 |
14 | bd8634b |
15 | 7da86da |
hex | 55f717f |
90141055 has 16 divisors (see below), whose sum is σ = 114757344. Its totient is φ = 67737600.
The previous prime is 90141049. The next prime is 90141061. The reversal of 90141055 is 55014109.
It is an interprime number because it is at equal distance from previous prime (90141049) and next prime (90141061).
It is not a de Polignac number, because 90141055 - 215 = 90108287 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74455 + ... + 75655.
It is an arithmetic number, because the mean of its divisors is an integer number (7172334).
Almost surely, 290141055 is an apocalyptic number.
90141055 is the 6005-th heptagonal number.
90141055 is a deficient number, since it is larger than the sum of its proper divisors (24616289).
90141055 is a wasteful number, since it uses less digits than its factorization.
90141055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2106.
The product of its (nonzero) digits is 900, while the sum is 25.
The square root of 90141055 is about 9494.2643211573. The cubic root of 90141055 is about 448.3744726541.
The spelling of 90141055 in words is "ninety million, one hundred forty-one thousand, fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •