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250413 = 383471
BaseRepresentation
bin111101001000101101
3110201111120
4331020231
531003123
65211153
72062032
oct751055
9421446
10250413
11161159
12100ab9
1389c97
1467389
154e2e3
hex3d22d

250413 has 4 divisors (see below), whose sum is σ = 333888. Its totient is φ = 166940.

The previous prime is 250409. The next prime is 250423. The reversal of 250413 is 314052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 250413 - 22 = 250409 is a prime.

It is a D-number.

250413 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 250392 and 250401.

It is a congruent number.

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, 41733 + ... + 41738.

It is an arithmetic number, because the mean of its divisors is an integer number (83472).

2250413 is an apocalyptic number.

It is an amenable number.

250413 is a deficient number, since it is larger than the sum of its proper divisors (83475).

250413 is an equidigital number, since it uses as much as digits as its factorization.

250413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83474.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 250413 is about 500.4128295717. The cubic root of 250413 is about 63.0307232360.

Adding to 250413 its reverse (314052), we get a palindrome (564465).

The spelling of 250413 in words is "two hundred fifty thousand, four hundred thirteen".

Divisors: 1 3 83471 250413