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190238 = 2731303
BaseRepresentation
bin101110011100011110
3100122221212
4232130132
522041423
64024422
71421426
oct563436
9318855
10190238
1111aa24
1292112
1368789
144d486
153b578
hex2e71e

190238 has 8 divisors (see below), whose sum is σ = 289488. Its totient is φ = 93744.

The previous prime is 190207. The next prime is 190243. The reversal of 190238 is 832091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

190238 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 3 ways as a sum of consecutive naturals, for example, 506 + ... + 797.

It is an arithmetic number, because the mean of its divisors is an integer number (36186).

2190238 is an apocalyptic number.

190238 is a deficient number, since it is larger than the sum of its proper divisors (99250).

190238 is a wasteful number, since it uses less digits than its factorization.

190238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 190238 is about 436.1628136373. The cubic root of 190238 is about 57.5129649404.

The spelling of 190238 in words is "one hundred ninety thousand, two hundred thirty-eight".

Divisors: 1 2 73 146 1303 2606 95119 190238