Base | Representation |
---|---|
bin | 1111101110111… |
… | …00000011011101 |
3 | 100012022221101112 |
4 | 13313130003131 |
5 | 232241121331 |
6 | 21032351405 |
7 | 3161516633 |
oct | 767340335 |
9 | 305287345 |
10 | 131973341 |
11 | 6854a585 |
12 | 38245565 |
13 | 21459a46 |
14 | 13755353 |
15 | b8bd32b |
hex | 7ddc0dd |
131973341 has 4 divisors (see below), whose sum is σ = 132372384. Its totient is φ = 131574300.
The previous prime is 131973337. The next prime is 131973343. The reversal of 131973341 is 143379131.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 131973341 - 22 = 131973337 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131973298 and 131973307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131973343) 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 3 ways as a sum of consecutive naturals, for example, 199025 + ... + 199686.
It is an arithmetic number, because the mean of its divisors is an integer number (33093096).
Almost surely, 2131973341 is an apocalyptic number.
It is an amenable number.
131973341 is a deficient number, since it is larger than the sum of its proper divisors (399043).
131973341 is an equidigital number, since it uses as much as digits as its factorization.
131973341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 399042.
The product of its digits is 6804, while the sum is 32.
The square root of 131973341 is about 11487.9650504343. The cubic root of 131973341 is about 509.1300573549.
The spelling of 131973341 in words is "one hundred thirty-one million, nine hundred seventy-three thousand, three hundred forty-one".
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