Base | Representation |
---|---|
bin | 1001111010100… |
… | …11101010101111 |
3 | 12210111222210102 |
4 | 10331103222233 |
5 | 132243231312 |
6 | 12130501315 |
7 | 2030006615 |
oct | 475235257 |
9 | 183458712 |
10 | 83180207 |
11 | 42a53580 |
12 | 23a3483b |
13 | 14304a76 |
14 | b0936b5 |
15 | 7480ec2 |
hex | 4f53aaf |
83180207 has 8 divisors (see below), whose sum is σ = 93871440. Its totient is φ = 73010560.
The previous prime is 83180197. The next prime is 83180219. The reversal of 83180207 is 70208138.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 83180207 - 216 = 83114671 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 83180207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83180257) 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 7 ways as a sum of consecutive naturals, for example, 130058 + ... + 130695.
It is an arithmetic number, because the mean of its divisors is an integer number (11733930).
Almost surely, 283180207 is an apocalyptic number.
83180207 is a deficient number, since it is larger than the sum of its proper divisors (10691233).
83180207 is a wasteful number, since it uses less digits than its factorization.
83180207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 260793.
The product of its (nonzero) digits is 2688, while the sum is 29.
The square root of 83180207 is about 9120.3183606714. The cubic root of 83180207 is about 436.5225319863.
The spelling of 83180207 in words is "eighty-three million, one hundred eighty thousand, two hundred seven".
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