Base | Representation |
---|---|
bin | 1100110111000… |
… | …10011000000110 |
3 | 21111222222021021 |
4 | 12123202120012 |
5 | 210104210430 |
6 | 14412141354 |
7 | 2446660516 |
oct | 633423006 |
9 | 244888237 |
10 | 107881990 |
11 | 55995377 |
12 | 3016785a |
13 | 194732c8 |
14 | 10483846 |
15 | 971007a |
hex | 66e2606 |
107881990 has 8 divisors (see below), whose sum is σ = 194187600. Its totient is φ = 43152792.
The previous prime is 107881951. The next prime is 107881999. The reversal of 107881990 is 99188701.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (107881999) 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, 5394090 + ... + 5394109.
It is an arithmetic number, because the mean of its divisors is an integer number (24273450).
Almost surely, 2107881990 is an apocalyptic number.
107881990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
107881990 is a deficient number, since it is larger than the sum of its proper divisors (86305610).
107881990 is a wasteful number, since it uses less digits than its factorization.
107881990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10788206.
The product of its (nonzero) digits is 36288, while the sum is 43.
The square root of 107881990 is about 10386.6255347923. The cubic root of 107881990 is about 476.0467994143.
The spelling of 107881990 in words is "one hundred seven million, eight hundred eighty-one thousand, nine hundred ninety".
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