Base | Representation |
---|---|
bin | 1111101010110… |
… | …10010101100110 |
3 | 100011022221120001 |
4 | 13311122111212 |
5 | 232122121042 |
6 | 21013131514 |
7 | 3154144615 |
oct | 765322546 |
9 | 304287501 |
10 | 131442022 |
11 | 68217378 |
12 | 38029b9a |
13 | 21301c5a |
14 | 1365787c |
15 | b815bb7 |
hex | 7d5a566 |
131442022 has 8 divisors (see below), whose sum is σ = 197217000. Its totient is φ = 65703024.
The previous prime is 131441983. The next prime is 131442041. The reversal of 131442022 is 220244131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×1314420223 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3754 + ... + 16642.
It is an arithmetic number, because the mean of its divisors is an integer number (24652125).
Almost surely, 2131442022 is an apocalyptic number.
131442022 is a deficient number, since it is larger than the sum of its proper divisors (65774978).
131442022 is a wasteful number, since it uses less digits than its factorization.
131442022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17990.
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 131442022 is about 11464.8167015439. The cubic root of 131442022 is about 508.4458931487.
Adding to 131442022 its reverse (220244131), we get a palindrome (351686153).
The spelling of 131442022 in words is "one hundred thirty-one million, four hundred forty-two thousand, twenty-two".
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