Base | Representation |
---|---|
bin | 1010111010110… |
… | …11010010110110 |
3 | 20101100202122121 |
4 | 11131123102312 |
5 | 141422200204 |
6 | 13031150154 |
7 | 2161405360 |
oct | 535332266 |
9 | 211322577 |
10 | 91600054 |
11 | 47784527 |
12 | 2681535a |
13 | 15c92320 |
14 | c245d30 |
15 | 8095b54 |
hex | 575b4b6 |
91600054 has 16 divisors (see below), whose sum is σ = 169108128. Its totient is φ = 36237312.
The previous prime is 91600043. The next prime is 91600057. The reversal of 91600054 is 45000619.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (91600057) 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, 251467 + ... + 251830.
It is an arithmetic number, because the mean of its divisors is an integer number (10569258).
Almost surely, 291600054 is an apocalyptic number.
91600054 is a deficient number, since it is larger than the sum of its proper divisors (77508074).
91600054 is a wasteful number, since it uses less digits than its factorization.
91600054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 503319.
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 91600054 is about 9570.7917122880. The cubic root of 91600054 is about 450.7806269357.
The spelling of 91600054 in words is "ninety-one million, six hundred thousand, fifty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •