Base | Representation |
---|---|
bin | 1100111000010… |
… | …10111001001101 |
3 | 21112022101220220 |
4 | 12130022321031 |
5 | 210130013244 |
6 | 14415501553 |
7 | 2451251412 |
oct | 634127115 |
9 | 245271826 |
10 | 108047949 |
11 | 55a99029 |
12 | 302278b9 |
13 | 195009c9 |
14 | 104c8109 |
15 | 9744319 |
hex | 670ae4d |
108047949 has 16 divisors (see below), whose sum is σ = 147840000. Its totient is φ = 70153776.
The previous prime is 108047923. The next prime is 108047963. The reversal of 108047949 is 949740801.
It is a de Polignac number, because none of the positive numbers 2k-108047949 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 108047949.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108047969) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53052 + ... + 55050.
It is an arithmetic number, because the mean of its divisors is an integer number (9240000).
Almost surely, 2108047949 is an apocalyptic number.
It is an amenable number.
108047949 is a deficient number, since it is larger than the sum of its proper divisors (39792051).
108047949 is a wasteful number, since it uses less digits than its factorization.
108047949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2464.
The product of its (nonzero) digits is 72576, while the sum is 42.
The square root of 108047949 is about 10394.6115367531. The cubic root of 108047949 is about 476.2907813605.
The spelling of 108047949 in words is "one hundred eight million, forty-seven thousand, nine hundred forty-nine".
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