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250438 = 2125219
BaseRepresentation
bin111101001001000110
3110201112111
4331021012
531003223
65211234
72062066
oct751106
9421474
10250438
11161181
12100b1a
1389cb6
14673a6
154e30d
hex3d246

250438 has 4 divisors (see below), whose sum is σ = 375660. Its totient is φ = 125218.

The previous prime is 250433. The next prime is 250441. The reversal of 250438 is 834052.

250438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62608 + ... + 62611.

It is an arithmetic number, because the mean of its divisors is an integer number (93915).

2250438 is an apocalyptic number.

250438 is a deficient number, since it is larger than the sum of its proper divisors (125222).

250438 is a wasteful number, since it uses less digits than its factorization.

250438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125221.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 250438 is about 500.4378083239. The cubic root of 250438 is about 63.0328207251.

The spelling of 250438 in words is "two hundred fifty thousand, four hundred thirty-eight".

Divisors: 1 2 125219 250438