Base | Representation |
---|---|
bin | 1010110101100… |
… | …10110110110111 |
3 | 20100001201021001 |
4 | 11122302312313 |
5 | 141233111020 |
6 | 13004304131 |
7 | 2152503061 |
oct | 532626667 |
9 | 210051231 |
10 | 90910135 |
11 | 47353148 |
12 | 26542047 |
13 | 15ab02a4 |
14 | c106731 |
15 | 7eab50a |
hex | 56b2db7 |
90910135 has 16 divisors (see below), whose sum is σ = 119238912. Its totient is φ = 66240000.
The previous prime is 90910133. The next prime is 90910139. The reversal of 90910135 is 53101909.
It is not a de Polignac number, because 90910135 - 21 = 90910133 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90910133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14616 + ... + 19885.
It is an arithmetic number, because the mean of its divisors is an integer number (7452432).
Almost surely, 290910135 is an apocalyptic number.
90910135 is a deficient number, since it is larger than the sum of its proper divisors (28328777).
90910135 is a wasteful number, since it uses less digits than its factorization.
90910135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34554.
The product of its (nonzero) digits is 1215, while the sum is 28.
The square root of 90910135 is about 9534.6806448879. The cubic root of 90910135 is about 449.6460344043.
The spelling of 90910135 in words is "ninety million, nine hundred ten thousand, one hundred thirty-five".
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