Base | Representation |
---|---|
bin | 1100111111000… |
… | …11000101101001 |
3 | 21120222101122101 |
4 | 12133203011221 |
5 | 210341332411 |
6 | 14450453401 |
7 | 2461630216 |
oct | 637430551 |
9 | 246871571 |
10 | 108933481 |
11 | 56543378 |
12 | 30594261 |
13 | 19750aa7 |
14 | 10678b0d |
15 | 986b8c1 |
hex | 67e3169 |
108933481 has 4 divisors (see below), whose sum is σ = 108963972. Its totient is φ = 108902992.
The previous prime is 108933437. The next prime is 108933499. The reversal of 108933481 is 184339801.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 184339801 = 1699 ⋅108499.
It can be written as a sum of positive squares in 2 ways, for example, as 61544025 + 47389456 = 7845^2 + 6884^2 .
It is a cyclic number.
It is not a de Polignac number, because 108933481 - 27 = 108933353 is a prime.
It is a super-2 number, since 2×1089334812 = 23733006565554722, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 108933481.
It is not an unprimeable number, because it can be changed into a prime (108933431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9046 + ... + 17311.
It is an arithmetic number, because the mean of its divisors is an integer number (27240993).
Almost surely, 2108933481 is an apocalyptic number.
It is an amenable number.
108933481 is a deficient number, since it is larger than the sum of its proper divisors (30491).
108933481 is an equidigital number, since it uses as much as digits as its factorization.
108933481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30490.
The product of its (nonzero) digits is 20736, while the sum is 37.
The square root of 108933481 is about 10437.1203404004. The cubic root of 108933481 is about 477.5884265573.
The spelling of 108933481 in words is "one hundred eight million, nine hundred thirty-three thousand, four hundred eighty-one".
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