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250406 = 2139631
BaseRepresentation
bin111101001000100110
3110201111022
4331020212
531003111
65211142
72062022
oct751046
9421438
10250406
11161152
12100ab2
1389c90
1467382
154e2db
hex3d226

250406 has 8 divisors (see below), whose sum is σ = 404544. Its totient is φ = 115560.

The previous prime is 250403. The next prime is 250409. The reversal of 250406 is 604052.

250406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (250403) and next prime (250409).

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 250406.

It is not an unprimeable number, because it can be changed into a prime (250403) 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, 4790 + ... + 4841.

It is an arithmetic number, because the mean of its divisors is an integer number (50568).

2250406 is an apocalyptic number.

250406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

250406 is a deficient number, since it is larger than the sum of its proper divisors (154138).

250406 is a wasteful number, since it uses less digits than its factorization.

250406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9646.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 250406 is about 500.4058352977. The cubic root of 250406 is about 63.0301359140.

Adding to 250406 its reverse (604052), we get a palindrome (854458).

It can be divided in two parts, 250 and 406, that added together give a palindrome (656).

The spelling of 250406 in words is "two hundred fifty thousand, four hundred six".

Divisors: 1 2 13 26 9631 19262 125203 250406