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250144001 = 1714714353
BaseRepresentation
bin11101110100011…
…10010100000001
3122102200122001122
432322032110001
51003014102001
640453242025
76125121542
oct1672162401
9572618048
10250144001
11119221988
126b933315
133ca93103
14253164c9
1516e61b1b
hexee8e501

250144001 has 4 divisors (see below), whose sum is σ = 264858372. Its totient is φ = 235429632.

The previous prime is 250143961. The next prime is 250144003. The reversal of 250144001 is 100441052.

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

It can be written as a sum of positive squares in 2 ways, for example, as 115584001 + 134560000 = 10751^2 + 11600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-250144001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 14714353 = 250144001 / (2 + 5 + 0 + 1 + 4 + 4 + 0 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (250144003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7357160 + ... + 7357193.

It is an arithmetic number, because the mean of its divisors is an integer number (66214593).

Almost surely, 2250144001 is an apocalyptic number.

It is an amenable number.

250144001 is a deficient number, since it is larger than the sum of its proper divisors (14714371).

250144001 is a wasteful number, since it uses less digits than its factorization.

250144001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14714370.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 250144001 is about 15815.9413567451. The cubic root of 250144001 is about 630.0814549924.

Adding to 250144001 its reverse (100441052), we get a palindrome (350585053).

The spelling of 250144001 in words is "two hundred fifty million, one hundred forty-four thousand, one".

Divisors: 1 17 14714353 250144001