Base | Representation |
---|---|
bin | 1101000001110… |
… | …10101001110001 |
3 | 21121122121122020 |
4 | 12200322221301 |
5 | 210434322040 |
6 | 14502302053 |
7 | 2464652664 |
oct | 640725161 |
9 | 247577566 |
10 | 109292145 |
11 | 56768896 |
12 | 30727929 |
13 | 19848111 |
14 | 1072d6db |
15 | 98dccd0 |
hex | 683aa71 |
109292145 has 16 divisors (see below), whose sum is σ = 175623552. Its totient is φ = 58037120.
The previous prime is 109292129. The next prime is 109292147. The reversal of 109292145 is 541292901.
It is not a de Polignac number, because 109292145 - 24 = 109292129 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (109292147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12141 + ... + 19130.
It is an arithmetic number, because the mean of its divisors is an integer number (10976472).
Almost surely, 2109292145 is an apocalyptic number.
109292145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
109292145 is a deficient number, since it is larger than the sum of its proper divisors (66331407).
109292145 is a wasteful number, since it uses less digits than its factorization.
109292145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31512.
The product of its (nonzero) digits is 6480, while the sum is 33.
The square root of 109292145 is about 10454.2883545462. The cubic root of 109292145 is about 478.1120063964.
The spelling of 109292145 in words is "one hundred nine million, two hundred ninety-two thousand, one hundred forty-five".
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