231494 has 8 divisors (see below), whose sum is σ = 349320. Its totient is φ = 115056.
The previous prime is 231493. The next prime is 231503. The reversal of 231494 is 494132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a plaindrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231493) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362 + ... + 770.
It is an arithmetic number, because the mean of its divisors is an integer number (43665).
2231494 is an apocalyptic number.
231494 is a deficient number, since it is larger than the sum of its proper divisors (117826).
231494 is a wasteful number, since it uses less digits than its factorization.
231494 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 694.
The product of its digits is 864, while the sum is 23.
The square root of 231494 is about 481.1382337749. The cubic root of 231494 is about 61.4016318042.
The spelling of 231494 in words is "two hundred thirty-one thousand, four hundred ninety-four".
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