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193240 = 2354831
BaseRepresentation
bin101111001011011000
3100211002001
4233023120
522140430
64050344
71433245
oct571330
9324061
10193240
11122203
12939b4
1369c58
14505cc
153c3ca
hex2f2d8

193240 has 16 divisors (see below), whose sum is σ = 434880. Its totient is φ = 77280.

The previous prime is 193201. The next prime is 193243. The reversal of 193240 is 42391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2376 + ... + 2455.

It is an arithmetic number, because the mean of its divisors is an integer number (27180).

2193240 is an apocalyptic number.

193240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193240 is an abundant number, since it is smaller than the sum of its proper divisors (241640).

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

193240 is a wasteful number, since it uses less digits than its factorization.

193240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842 (or 4838 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 193240 is about 439.5907187373. The cubic root of 193240 is about 57.8139101190.

The spelling of 193240 in words is "one hundred ninety-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 4831 9662 19324 24155 38648 48310 96620 193240