Search a number
-
+
250904 = 2379397
BaseRepresentation
bin111101010000011000
3110202011202
4331100120
531012104
65213332
72063333
oct752030
9422152
10250904
11161565
12101248
138a284
146761a
154e51e
hex3d418

250904 has 16 divisors (see below), whose sum is σ = 477600. Its totient is φ = 123552.

The previous prime is 250889. The next prime is 250919. The reversal of 250904 is 409052.

250904 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (250889) and next prime (250919).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 250904.

It is an unprimeable number.

250904 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434 + ... + 830.

It is an arithmetic number, because the mean of its divisors is an integer number (29850).

2250904 is an apocalyptic number.

It is an amenable number.

250904 is a deficient number, since it is larger than the sum of its proper divisors (226696).

250904 is a wasteful number, since it uses less digits than its factorization.

250904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 250904 is about 500.9031842582. The cubic root of 250904 is about 63.0718923976.

Adding to 250904 its reverse (409052), we get a palindrome (659956).

The spelling of 250904 in words is "two hundred fifty thousand, nine hundred four".

Divisors: 1 2 4 8 79 158 316 397 632 794 1588 3176 31363 62726 125452 250904