Search a number
-
+
250057478 = 21120895441
BaseRepresentation
bin11101110011110…
…01001100000110
3122102112020101002
432321321030012
51003003314403
640451333302
76124311356
oct1671711406
9572466332
10250057478
11119172980
126b8b1232
133ca62908
14252d2b66
1516e46188
hexee79306

250057478 has 16 divisors (see below), whose sum is σ = 409456080. Its totient is φ = 113587200.

The previous prime is 250057463. The next prime is 250057519. The reversal of 250057478 is 874750052.

250057478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43238 + ... + 48678.

It is an arithmetic number, because the mean of its divisors is an integer number (25591005).

Almost surely, 2250057478 is an apocalyptic number.

250057478 is a deficient number, since it is larger than the sum of its proper divisors (159398602).

250057478 is a wasteful number, since it uses less digits than its factorization.

250057478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7543.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 250057478 is about 15813.2058103346. The cubic root of 250057478 is about 630.0087997427.

The spelling of 250057478 in words is "two hundred fifty million, fifty-seven thousand, four hundred seventy-eight".

Divisors: 1 2 11 22 2089 4178 5441 10882 22979 45958 59851 119702 11366249 22732498 125028739 250057478