Base | Representation |
---|---|
bin | 1111101110111… |
… | …10010100001110 |
3 | 100012100102002200 |
4 | 13313132110032 |
5 | 232241420411 |
6 | 21032502330 |
7 | 3161555640 |
oct | 767362416 |
9 | 305312080 |
10 | 131982606 |
11 | 68556538 |
12 | 3824a9a6 |
13 | 21461022 |
14 | 13758890 |
15 | b8c0e56 |
hex | 7dde50e |
131982606 has 48 divisors (see below), whose sum is σ = 327659904. Its totient is φ = 37611792.
The previous prime is 131982601. The next prime is 131982619. The reversal of 131982606 is 606289131.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131982601) 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 23 ways as a sum of consecutive naturals, for example, 57721 + ... + 59963.
It is an arithmetic number, because the mean of its divisors is an integer number (6826248).
Almost surely, 2131982606 is an apocalyptic number.
131982606 is an abundant number, since it is smaller than the sum of its proper divisors (195677298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131982606 is a wasteful number, since it uses less digits than its factorization.
131982606 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2725 (or 2722 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 131982606 is about 11488.3682914503. The cubic root of 131982606 is about 509.1419713258.
The spelling of 131982606 in words is "one hundred thirty-one million, nine hundred eighty-two thousand, six hundred six".
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