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394252944 = 2438213603
BaseRepresentation
bin10111011111111…
…101001010010000
31000110212010100220
4113133331022100
51301412043234
6103042113040
712525044331
oct2737751220
91013763326
10394252944
11192600088
12b004b780
13638ab787
143a50a288
152492aa49
hex177fd290

394252944 has 20 divisors (see below), whose sum is σ = 1018486896. Its totient is φ = 131417632.

The previous prime is 394252879. The next prime is 394252973. The reversal of 394252944 is 449252493.

It is a junction number, because it is equal to n+sod(n) for n = 394252896 and 394252905.

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, 4106754 + ... + 4106849.

Almost surely, 2394252944 is an apocalyptic number.

It is an amenable number.

394252944 is an abundant number, since it is smaller than the sum of its proper divisors (624233952).

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

394252944 is a wasteful number, since it uses less digits than its factorization.

394252944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8213614 (or 8213608 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 394252944 is about 19855.8037862989. The cubic root of 394252944 is about 733.2605411678.

The spelling of 394252944 in words is "three hundred ninety-four million, two hundred fifty-two thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 8213603 16427206 24640809 32854412 49281618 65708824 98563236 131417648 197126472 394252944