Search a number
-
+
250689601 = 2919145259
BaseRepresentation
bin11101111000100…
…11100001000001
3122110201100111001
432330103201001
51003134031401
640513052001
76132553321
oct1674234101
9573640431
10250689601
11119564898
126bb57001
133cc24556
1425419281
151701d601
hexef13841

250689601 has 8 divisors (see below), whose sum is σ = 260697600. Its totient is φ = 240772560.

The previous prime is 250689583. The next prime is 250689617. The reversal of 250689601 is 106986052.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-250689601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250689641) 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 7 ways as a sum of consecutive naturals, for example, 17091 + ... + 28168.

It is an arithmetic number, because the mean of its divisors is an integer number (32587200).

Almost surely, 2250689601 is an apocalyptic number.

It is an amenable number.

250689601 is a deficient number, since it is larger than the sum of its proper divisors (10007999).

250689601 is a wasteful number, since it uses less digits than its factorization.

250689601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45479.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 250689601 is about 15833.1803817174. The cubic root of 250689601 is about 630.5392217239.

The spelling of 250689601 in words is "two hundred fifty million, six hundred eighty-nine thousand, six hundred one".

Divisors: 1 29 191 5539 45259 1312511 8644469 250689601