Base | Representation |
---|---|
bin | 10111000011010… |
… | …01111111101100 |
3 | 111110212022201010 |
4 | 23201221333230 |
5 | 344000402030 |
6 | 31104345220 |
7 | 4535431113 |
oct | 1341517754 |
9 | 443768633 |
10 | 193372140 |
11 | 9a176395 |
12 | 54915210 |
13 | 310a65b0 |
14 | 1b978c7a |
15 | 11e9a6b0 |
hex | b869fec |
193372140 has 48 divisors (see below), whose sum is σ = 583093728. Its totient is φ = 47599104.
The previous prime is 193372133. The next prime is 193372159. The reversal of 193372140 is 41273391.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 193372098 and 193372107.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 123177 + ... + 124736.
It is an arithmetic number, because the mean of its divisors is an integer number (12147786).
Almost surely, 2193372140 is an apocalyptic number.
193372140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
193372140 is an abundant number, since it is smaller than the sum of its proper divisors (389721588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
193372140 is a wasteful number, since it uses less digits than its factorization.
193372140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 247938 (or 247936 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 193372140 is about 13905.8311509956. The cubic root of 193372140 is about 578.2708508176.
The spelling of 193372140 in words is "one hundred ninety-three million, three hundred seventy-two thousand, one hundred forty".
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