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404344 = 2350543
BaseRepresentation
bin1100010101101111000
3202112122201
41202231320
5100414334
612355544
73302563
oct1425570
9675581
10404344
11256876
12175bb4
13112075
14a74da
157ec14
hex62b78

404344 has 8 divisors (see below), whose sum is σ = 758160. Its totient is φ = 202168.

The previous prime is 404323. The next prime is 404357. The reversal of 404344 is 443404.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

404344 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25264 + ... + 25279.

It is an arithmetic number, because the mean of its divisors is an integer number (94770).

2404344 is an apocalyptic number.

It is an amenable number.

404344 is a deficient number, since it is larger than the sum of its proper divisors (353816).

404344 is a wasteful number, since it uses less digits than its factorization.

404344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50549 (or 50545 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 404344 is about 635.8804919165. The cubic root of 404344 is about 73.9463940964.

Adding to 404344 its reverse (443404), we get a palindrome (847748).

Subtracting 404344 from its reverse (443404), we obtain a triangular number (39060 = T279).

The spelling of 404344 in words is "four hundred four thousand, three hundred forty-four", and thus it is an iban number.

Divisors: 1 2 4 8 50543 101086 202172 404344