193430 has 24 divisors (see below), whose sum is σ = 376272. Its totient is φ = 71456.
The previous prime is 193423. The next prime is 193433. The reversal of 193430 is 34391.
It is a plaindrome in base 11.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (193433) by changing a digit.
193430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6656 + ... + 6684.
It is an arithmetic number, because the mean of its divisors is an integer number (15678).
2193430 is an apocalyptic number.
193430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
193430 is a deficient number, since it is larger than the sum of its proper divisors (182842).
193430 is a wasteful number, since it uses less digits than its factorization.
193430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88 (or 59 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 20.
The square root of 193430 is about 439.8067757550. The cubic root of 193430 is about 57.8328520992.
The spelling of 193430 in words is "one hundred ninety-three thousand, four hundred thirty".
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