Search a number
-
+
250249071 = 383416357
BaseRepresentation
bin11101110101001…
…11111101101111
3122102212222012010
432322213331233
51003030432241
640455412303
76126040062
oct1672477557
9572788163
10250249071
11119293916
126b984093
133cacbb97
14253428d9
1516e82d16
hexeea7f6f

250249071 has 4 divisors (see below), whose sum is σ = 333665432. Its totient is φ = 166832712.

The previous prime is 250249063. The next prime is 250249073. The reversal of 250249071 is 170942052.

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

It is not a de Polignac number, because 250249071 - 23 = 250249063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250249073) 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, 41708176 + ... + 41708181.

It is an arithmetic number, because the mean of its divisors is an integer number (83416358).

Almost surely, 2250249071 is an apocalyptic number.

250249071 is a deficient number, since it is larger than the sum of its proper divisors (83416361).

250249071 is an equidigital number, since it uses as much as digits as its factorization.

250249071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83416360.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 250249071 is about 15819.2626566474. The cubic root of 250249071 is about 630.1696620400.

The spelling of 250249071 in words is "two hundred fifty million, two hundred forty-nine thousand, seventy-one".

Divisors: 1 3 83416357 250249071