Search a number
-
+
250012 = 2278929
BaseRepresentation
bin111101000010011100
3110200221201
4331002130
531000022
65205244
72060620
oct750234
9420851
10250012
11160924
12100824
1389a49
1467180
154e127
hex3d09c

250012 has 12 divisors (see below), whose sum is σ = 500080. Its totient is φ = 107136.

The previous prime is 250007. The next prime is 250013. The reversal of 250012 is 210052.

250012 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

250012 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250013) 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, 4437 + ... + 4492.

250012 is a Friedman number, since it can be written as 500^2+12, using all its digits and the basic arithmetic operations.

2250012 is an apocalyptic number.

It is an amenable number.

250012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

250012 is a wasteful number, since it uses less digits than its factorization.

250012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8940 (or 8938 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 250012 is about 500.0119998560. The cubic root of 250012 is about 62.9970604155.

Adding to 250012 its reverse (210052), we get a palindrome (460064).

The spelling of 250012 in words is "two hundred fifty thousand, twelve".

Divisors: 1 2 4 7 14 28 8929 17858 35716 62503 125006 250012