Base | Representation |
---|---|
bin | 1111101110010… |
… | …00001111100110 |
3 | 100012011211002020 |
4 | 13313020033212 |
5 | 232231022243 |
6 | 21030524010 |
7 | 3161031234 |
oct | 767101746 |
9 | 305154066 |
10 | 131892198 |
11 | 684a4619 |
12 | 38206606 |
13 | 2142bb29 |
14 | 13733954 |
15 | b8a4283 |
hex | 7dc83e6 |
131892198 has 24 divisors (see below), whose sum is σ = 271123272. Its totient is φ = 42773184.
The previous prime is 131892193. The next prime is 131892209. The reversal of 131892198 is 891298131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131892191) 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, 186 + ... + 16242.
It is an arithmetic number, because the mean of its divisors is an integer number (11296803).
Almost surely, 2131892198 is an apocalyptic number.
131892198 is an abundant number, since it is smaller than the sum of its proper divisors (139231074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131892198 is a wasteful number, since it uses less digits than its factorization.
131892198 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16136 (or 16099 counting only the distinct ones).
The product of its digits is 31104, while the sum is 42.
The square root of 131892198 is about 11484.4328549563. The cubic root of 131892198 is about 509.0256907970.
The spelling of 131892198 in words is "one hundred thirty-one million, eight hundred ninety-two thousand, one hundred ninety-eight".
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