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1304056 = 231312539
BaseRepresentation
bin100111110010111111000
32110020211101
410332113320
5313212211
643541144
714040625
oct4762770
92406741
101304056
11810836
1252a7b4
13368740
1425d34c
151ab5c1
hex13e5f8

1304056 has 16 divisors (see below), whose sum is σ = 2633400. Its totient is φ = 601824.

The previous prime is 1304033. The next prime is 1304071. The reversal of 1304056 is 6504031.

It is a super-2 number, since 2×13040562 = 3401124102272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6166 + ... + 6373.

21304056 is an apocalyptic number.

It is an amenable number.

1304056 is an abundant number, since it is smaller than the sum of its proper divisors (1329344).

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

1304056 is a wasteful number, since it uses less digits than its factorization.

1304056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12558 (or 12554 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1304056 is about 1141.9527135569. The cubic root of 1304056 is about 109.2526753251.

Adding to 1304056 its reverse (6504031), we get a palindrome (7808087).

It can be divided in two parts, 130 and 4056, that added together give a triangular number (4186 = T91).

The spelling of 1304056 in words is "one million, three hundred four thousand, fifty-six".

Divisors: 1 2 4 8 13 26 52 104 12539 25078 50156 100312 163007 326014 652028 1304056