Search a number
-
+
394250944 = 2617362363
BaseRepresentation
bin10111011111111…
…100101011000000
31000110212000121211
4113133330223000
51301412012234
6103042055504
712525035443
oct2737745300
91013760554
10394250944
111925a962a
12b004a594
13638aa8a9
143a50965a
152492a164
hex177fcac0

394250944 has 28 divisors (see below), whose sum is σ = 828364104. Its totient is φ = 185529344.

The previous prime is 394250917. The next prime is 394250953. The reversal of 394250944 is 449052493.

It is a super-2 number, since 2×3942509442 = 310867613689782272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 394250897 and 394250906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180094 + ... + 182269.

Almost surely, 2394250944 is an apocalyptic number.

394250944 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

394250944 is an abundant number, since it is smaller than the sum of its proper divisors (434113160).

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

394250944 is a wasteful number, since it uses less digits than its factorization.

394250944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362392 (or 362382 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 394250944 is about 19855.7534231265. The cubic root of 394250944 is about 733.2593012501.

The spelling of 394250944 in words is "three hundred ninety-four million, two hundred fifty thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 362363 724726 1449452 2898904 5797808 6160171 11595616 12320342 23191232 24640684 49281368 98562736 197125472 394250944