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394244941 = 439168487
BaseRepresentation
bin10111011111111…
…011001101001101
31000110211201101111
4113133323031031
51301411314231
6103042012021
712525012106
oct2737731515
91013751344
10394244941
111925a5072
12b0047011
13638a7c3c
143a5073ad
15249284b1
hex177fb34d

394244941 has 4 divisors (see below), whose sum is σ = 403413472. Its totient is φ = 385076412.

The previous prime is 394244897. The next prime is 394244987. The reversal of 394244941 is 149442493.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-394244941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 394244894 and 394244903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394244041) 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, 4584201 + ... + 4584286.

It is an arithmetic number, because the mean of its divisors is an integer number (100853368).

Almost surely, 2394244941 is an apocalyptic number.

It is an amenable number.

394244941 is a deficient number, since it is larger than the sum of its proper divisors (9168531).

394244941 is an equidigital number, since it uses as much as digits as its factorization.

394244941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168530.

The product of its digits is 124416, while the sum is 40.

The square root of 394244941 is about 19855.6022572976. The cubic root of 394244941 is about 733.2555796121.

The spelling of 394244941 in words is "three hundred ninety-four million, two hundred forty-four thousand, nine hundred forty-one".

Divisors: 1 43 9168487 394244941