Base | Representation |
---|---|
bin | 1001111010010… |
… | …10011110000111 |
3 | 12210110002010011 |
4 | 10331022132013 |
5 | 132241030120 |
6 | 12130011051 |
7 | 2026462030 |
oct | 475123607 |
9 | 183402104 |
10 | 83142535 |
11 | 42a28243 |
12 | 23a16a87 |
13 | 142c0888 |
14 | b083a87 |
15 | 7474c5a |
hex | 4f4a787 |
83142535 has 8 divisors (see below), whose sum is σ = 114024096. Its totient is φ = 57012000.
The previous prime is 83142533. The next prime is 83142557. The reversal of 83142535 is 53524138.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 83142535 - 21 = 83142533 is a prime.
It is a super-2 number, since 2×831425352 = 13825362252452450, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 83142497 and 83142506.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83142533) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187716 + ... + 1187785.
It is an arithmetic number, because the mean of its divisors is an integer number (14253012).
Almost surely, 283142535 is an apocalyptic number.
83142535 is a deficient number, since it is larger than the sum of its proper divisors (30881561).
83142535 is a wasteful number, since it uses less digits than its factorization.
83142535 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2375513.
The product of its digits is 14400, while the sum is 31.
The square root of 83142535 is about 9118.2528479967. The cubic root of 83142535 is about 436.4566222360.
The spelling of 83142535 in words is "eighty-three million, one hundred forty-two thousand, five hundred thirty-five".
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