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195492 = 223111481
BaseRepresentation
bin101111101110100100
3100221011110
4233232210
522223432
64105020
71442643
oct575644
9327143
10195492
11123970
1295170
136ac9b
145135a
153cdcc
hex2fba4

195492 has 24 divisors (see below), whose sum is σ = 497952. Its totient is φ = 59200.

The previous prime is 195479. The next prime is 195493. The reversal of 195492 is 294591.

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 195492.

It is not an unprimeable number, because it can be changed into a prime (195493) by changing a digit.

195492 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 7 ways as a sum of consecutive naturals, for example, 609 + ... + 872.

It is an arithmetic number, because the mean of its divisors is an integer number (20748).

2195492 is an apocalyptic number.

195492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195492 is an abundant number, since it is smaller than the sum of its proper divisors (302460).

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

195492 is a wasteful number, since it uses less digits than its factorization.

195492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499 (or 1497 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 195492 is about 442.1447726707. The cubic root of 195492 is about 58.0376291687.

Subtracting 195492 from its reverse (294591), we obtain a palindrome (99099).

The spelling of 195492 in words is "one hundred ninety-five thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 1481 2962 4443 5924 8886 16291 17772 32582 48873 65164 97746 195492