Base | Representation |
---|---|
bin | 1001111010001… |
… | …01101111001110 |
3 | 12210102002112012 |
4 | 10331011233032 |
5 | 132234420100 |
6 | 12125341222 |
7 | 2026351355 |
oct | 475055716 |
9 | 183362465 |
10 | 83123150 |
11 | 42a14720 |
12 | 23a07812 |
13 | 142b4ac6 |
14 | b07a99c |
15 | 746e135 |
hex | 4f45bce |
83123150 has 48 divisors (see below), whose sum is σ = 176024448. Its totient is φ = 28908000.
The previous prime is 83123143. The next prime is 83123167. The reversal of 83123150 is 5132138.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9365 + ... + 15935.
It is an arithmetic number, because the mean of its divisors is an integer number (3667176).
Almost surely, 283123150 is an apocalyptic number.
83123150 is an abundant number, since it is smaller than the sum of its proper divisors (92901298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83123150 is a wasteful number, since it uses less digits than its factorization.
83123150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6617 (or 6612 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 83123150 is about 9117.1898082688. The cubic root of 83123150 is about 436.4226990892.
Adding to 83123150 its reverse (5132138), we get a palindrome (88255288).
The spelling of 83123150 in words is "eighty-three million, one hundred twenty-three thousand, one hundred fifty".
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