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249238 = 21111329
BaseRepresentation
bin111100110110010110
3110122220001
4330312112
530433423
65201514
72055433
oct746626
9418801
10249238
11160290
1210029a
13895a2
1466b8a
154dcad
hex3cd96

249238 has 8 divisors (see below), whose sum is σ = 407880. Its totient is φ = 113280.

The previous prime is 249233. The next prime is 249253. The reversal of 249238 is 832942.

249238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a d-powerful number, because it can be written as 216 + 4 + 216 + 95 + 310 + 82 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249233) 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, 5643 + ... + 5686.

It is an arithmetic number, because the mean of its divisors is an integer number (50985).

2249238 is an apocalyptic number.

249238 is a deficient number, since it is larger than the sum of its proper divisors (158642).

249238 is a wasteful number, since it uses less digits than its factorization.

249238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11342.

The product of its digits is 3456, while the sum is 28.

The square root of 249238 is about 499.2374184694. The cubic root of 249238 is about 62.9319833670.

The spelling of 249238 in words is "two hundred forty-nine thousand, two hundred thirty-eight".

Divisors: 1 2 11 22 11329 22658 124619 249238