Base | Representation |
---|---|
bin | 1010101110111… |
… | …00001001110111 |
3 | 20021102000220210 |
4 | 11113130021313 |
5 | 141021440321 |
6 | 12533400503 |
7 | 2142151131 |
oct | 527341167 |
9 | 207360823 |
10 | 90030711 |
11 | 46902451 |
12 | 26199133 |
13 | 15862c14 |
14 | bd58051 |
15 | 7d85b76 |
hex | 55dc277 |
90030711 has 8 divisors (see below), whose sum is σ = 122968944. Its totient is φ = 58556480.
The previous prime is 90030701. The next prime is 90030719. The reversal of 90030711 is 11703009.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 90030711 - 25 = 90030679 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90030719) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365856 + ... + 366101.
It is an arithmetic number, because the mean of its divisors is an integer number (15371118).
Almost surely, 290030711 is an apocalyptic number.
90030711 is a deficient number, since it is larger than the sum of its proper divisors (32938233).
90030711 is a wasteful number, since it uses less digits than its factorization.
90030711 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 732001.
The product of its (nonzero) digits is 189, while the sum is 21.
The square root of 90030711 is about 9488.4514542680. The cubic root of 90030711 is about 448.1914423482.
The spelling of 90030711 in words is "ninety million, thirty thousand, seven hundred eleven".
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