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250427 = 1714731
BaseRepresentation
bin111101001000111011
3110201112002
4331020323
531003202
65211215
72062052
oct751073
9421462
10250427
11161171
12100b0b
1389ca8
1467399
154e302
hex3d23b

250427 has 4 divisors (see below), whose sum is σ = 265176. Its totient is φ = 235680.

The previous prime is 250423. The next prime is 250433. The reversal of 250427 is 724052.

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

It is a cyclic number.

It is not a de Polignac number, because 250427 - 22 = 250423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250399 and 250408.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 250427.

It is not an unprimeable number, because it can be changed into a prime (250423) 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, 7349 + ... + 7382.

It is an arithmetic number, because the mean of its divisors is an integer number (66294).

2250427 is an apocalyptic number.

250427 is a deficient number, since it is larger than the sum of its proper divisors (14749).

250427 is a wasteful number, since it uses less digits than its factorization.

250427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14748.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 250427 is about 500.4268178265. The cubic root of 250427 is about 63.0318978471.

Adding to 250427 its reverse (724052), we get a palindrome (974479).

The spelling of 250427 in words is "two hundred fifty thousand, four hundred twenty-seven".

Divisors: 1 17 14731 250427