Base | Representation |
---|---|
bin | 110010011000001… |
… | …101101000101100 |
3 | 2011220102000120000 |
4 | 302120031220230 |
5 | 3212333124413 |
6 | 215511424300 |
7 | 26642102403 |
oct | 6230155054 |
9 | 2156360500 |
10 | 845208108 |
11 | 3a41093a8 |
12 | 1b7085090 |
13 | 106151154 |
14 | 8037663a |
15 | 4e307073 |
hex | 3260da2c |
845208108 has 120 divisors (see below), whose sum is σ = 2355689952. Its totient is φ = 263333376.
The previous prime is 845208101. The next prime is 845208187. The reversal of 845208108 is 801802548.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (845208101) 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 39 ways as a sum of consecutive naturals, for example, 952441 + ... + 953327.
Almost surely, 2845208108 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 845208108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1177844976).
845208108 is an abundant number, since it is smaller than the sum of its proper divisors (1510481844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
845208108 is a wasteful number, since it uses less digits than its factorization.
845208108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1093 (or 1082 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 36.
The square root of 845208108 is about 29072.4630535495. The cubic root of 845208108 is about 945.4848003777.
The spelling of 845208108 in words is "eight hundred forty-five million, two hundred eight thousand, one hundred eight".
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