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193388 = 22133719
BaseRepresentation
bin101111001101101100
3100211021112
4233031230
522142023
64051152
71433546
oct571554
9324245
10193388
11122328
1293ab8
136a040
1450696
153c478
hex2f36c

193388 has 12 divisors (see below), whose sum is σ = 364560. Its totient is φ = 89232.

The previous prime is 193387. The next prime is 193393. The reversal of 193388 is 883391.

It is not an unprimeable number, because it can be changed into a prime (193381) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1808 + ... + 1911.

It is an arithmetic number, because the mean of its divisors is an integer number (30380).

2193388 is an apocalyptic number.

It is an amenable number.

193388 is a deficient number, since it is larger than the sum of its proper divisors (171172).

193388 is a wasteful number, since it uses less digits than its factorization.

193388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736 (or 3734 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 193388 is about 439.7590249216. The cubic root of 193388 is about 57.8286659929.

The spelling of 193388 in words is "one hundred ninety-three thousand, three hundred eighty-eight".

Divisors: 1 2 4 13 26 52 3719 7438 14876 48347 96694 193388