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193494 = 23717271
BaseRepresentation
bin101111001111010110
3100211102110
4233033112
522142434
64051450
71434060
oct571726
9324373
10193494
11122414
1293b86
136a0c2
1450730
153c4e9
hex2f3d6

193494 has 32 divisors (see below), whose sum is σ = 470016. Its totient is φ = 51840.

The previous prime is 193493. The next prime is 193507. The reversal of 193494 is 494391.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579 + ... + 849.

It is an arithmetic number, because the mean of its divisors is an integer number (14688).

2193494 is an apocalyptic number.

193494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 193494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235008).

193494 is an abundant number, since it is smaller than the sum of its proper divisors (276522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

193494 is a wasteful number, since it uses less digits than its factorization.

193494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300.

The product of its digits is 3888, while the sum is 30.

The square root of 193494 is about 439.8795289622. The cubic root of 193494 is about 57.8392297627.

The spelling of 193494 in words is "one hundred ninety-three thousand, four hundred ninety-four".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 271 357 542 714 813 1626 1897 3794 4607 5691 9214 11382 13821 27642 32249 64498 96747 193494