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250041 = 3117577
BaseRepresentation
bin111101000010111001
3110200222210
4331002321
531000131
65205333
72060661
oct750271
9420883
10250041
11160950
12100849
1389a6c
14671a1
154e146
hex3d0b9

250041 has 8 divisors (see below), whose sum is σ = 363744. Its totient is φ = 151520.

The previous prime is 250037. The next prime is 250043. The reversal of 250041 is 140052.

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

It is a cyclic number.

It is not a de Polignac number, because 250041 - 22 = 250037 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 249999 and 250026.

It is not an unprimeable number, because it can be changed into a prime (250043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3756 + ... + 3821.

It is an arithmetic number, because the mean of its divisors is an integer number (45468).

250041 is a Friedman number, since it can be written as 500^2+41, using all its digits and the basic arithmetic operations.

2250041 is an apocalyptic number.

It is an amenable number.

250041 is a deficient number, since it is larger than the sum of its proper divisors (113703).

250041 is a wasteful number, since it uses less digits than its factorization.

250041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7591.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 250041 is about 500.0409983191. The cubic root of 250041 is about 62.9994960907. Note that the first 3 decimals are identical.

Adding to 250041 its reverse (140052), we get a palindrome (390093).

The spelling of 250041 in words is "two hundred fifty thousand, forty-one".

Divisors: 1 3 11 33 7577 22731 83347 250041