Base | Representation |
---|---|
bin | 1100111110100… |
… | …11100010001001 |
3 | 21120212011020200 |
4 | 12133103202021 |
5 | 210332313034 |
6 | 14445242413 |
7 | 2461243401 |
oct | 637234211 |
9 | 246764220 |
10 | 108869769 |
11 | 564aa518 |
12 | 30563409 |
13 | 1972aaa8 |
14 | 1065d801 |
15 | 9857a99 |
hex | 67d3889 |
108869769 has 12 divisors (see below), whose sum is σ = 158137200. Its totient is φ = 72173304.
The previous prime is 108869749. The next prime is 108869771. The reversal of 108869769 is 967968801.
It is a de Polignac number, because none of the positive numbers 2k-108869769 is a prime.
It is a super-2 number, since 2×1088697692 = 23705253204226722, which contains 22 as substring.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (108869749) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32179 + ... + 35400.
It is an arithmetic number, because the mean of its divisors is an integer number (13178100).
Almost surely, 2108869769 is an apocalyptic number.
It is an amenable number.
108869769 is a deficient number, since it is larger than the sum of its proper divisors (49267431).
108869769 is a wasteful number, since it uses less digits than its factorization.
108869769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67764 (or 67761 counting only the distinct ones).
The product of its (nonzero) digits is 1306368, while the sum is 54.
The square root of 108869769 is about 10434.0677111086. The cubic root of 108869769 is about 477.4952992419.
The spelling of 108869769 in words is "one hundred eight million, eight hundred sixty-nine thousand, seven hundred sixty-nine".
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