Base | Representation |
---|---|
bin | 10110001000110… |
… | …01011011111100 |
3 | 110221102122110001 |
4 | 23010121123330 |
5 | 340014432030 |
6 | 30232124044 |
7 | 4413304441 |
oct | 1304313374 |
9 | 427378401 |
10 | 185702140 |
11 | 95907848 |
12 | 52236624 |
13 | 2c61c430 |
14 | 1a93d9c8 |
15 | 11482cca |
hex | b1196fc |
185702140 has 48 divisors (see below), whose sum is σ = 425335680. Its totient is φ = 67691520.
The previous prime is 185702131. The next prime is 185702159. The reversal of 185702140 is 41207581.
It is a junction number, because it is equal to n+sod(n) for n = 185702099 and 185702108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16020 + ... + 25060.
It is an arithmetic number, because the mean of its divisors is an integer number (8861160).
Almost surely, 2185702140 is an apocalyptic number.
185702140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 185702140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212667840).
185702140 is an abundant number, since it is smaller than the sum of its proper divisors (239633540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
185702140 is a wasteful number, since it uses less digits than its factorization.
185702140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9142 (or 9140 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 28.
The square root of 185702140 is about 13627.2572442146. The cubic root of 185702140 is about 570.5218776328.
The spelling of 185702140 in words is "one hundred eighty-five million, seven hundred two thousand, one hundred forty".
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