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1304064 = 2932283
BaseRepresentation
bin100111110011000000000
32110020211200
410332120000
5313212224
643541200
714040636
oct4763000
92406750
101304064
11810843
1252a800
13368748
1425d356
151ab5c9
hex13e600

1304064 has 60 divisors (see below), whose sum is σ = 3776916. Its totient is φ = 433152.

The previous prime is 1304033. The next prime is 1304071. The reversal of 1304064 is 4604031.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4467 + ... + 4749.

21304064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1888458).

1304064 is an abundant number, since it is smaller than the sum of its proper divisors (2472852).

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

1304064 is an equidigital number, since it uses as much as digits as its factorization.

1304064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1304064 is about 1141.9562163236. The cubic root of 1304064 is about 109.2528987356.

Adding to 1304064 its reverse (4604031), we get a palindrome (5908095).

The spelling of 1304064 in words is "one million, three hundred four thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 283 288 384 512 566 576 768 849 1132 1152 1536 1698 2264 2304 2547 3396 4528 4608 5094 6792 9056 10188 13584 18112 20376 27168 36224 40752 54336 72448 81504 108672 144896 163008 217344 326016 434688 652032 1304064