Base | Representation |
---|---|
bin | 1100110111111… |
… | …11101010010010 |
3 | 21112020001210210 |
4 | 12123333222102 |
5 | 210122030223 |
6 | 14414504550 |
7 | 2451000312 |
oct | 633775222 |
9 | 245201723 |
10 | 108001938 |
11 | 55a67500 |
12 | 30205156 |
13 | 194b5a95 |
14 | 104b5442 |
15 | 9735893 |
hex | 66ffa92 |
108001938 has 24 divisors (see below), whose sum is σ = 237427344. Its totient is φ = 32727640.
The previous prime is 108001931. The next prime is 108001961. The reversal of 108001938 is 839100801.
It is a super-2 number, since 2×1080019382 = 23328837223511688, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (108001931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73656 + ... + 75107.
It is an arithmetic number, because the mean of its divisors is an integer number (9892806).
Almost surely, 2108001938 is an apocalyptic number.
108001938 is an abundant number, since it is smaller than the sum of its proper divisors (129425406).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108001938 is a wasteful number, since it uses less digits than its factorization.
108001938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148790 (or 148779 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 30.
The square root of 108001938 is about 10392.3980870634. The cubic root of 108001938 is about 476.2231640764.
The spelling of 108001938 in words is "one hundred eight million, one thousand, nine hundred thirty-eight".
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