Search a number
-
+
1304264 = 231312541
BaseRepresentation
bin100111110011011001000
32110021010002
410332123020
5313214024
643542132
714041343
oct4763310
92407102
101304264
11810a05
1252a948
13368870
1425d45a
151ab6ae
hex13e6c8

1304264 has 16 divisors (see below), whose sum is σ = 2633820. Its totient is φ = 601920.

The previous prime is 1304249. The next prime is 1304267. The reversal of 1304264 is 4624031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1304164 + 100 = 1142^2 + 10^2 .

It is a super-2 number, since 2×13042642 = 3402209163392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1304267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6167 + ... + 6374.

21304264 is an apocalyptic number.

It is an amenable number.

1304264 is an abundant number, since it is smaller than the sum of its proper divisors (1329556).

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

1304264 is a wasteful number, since it uses less digits than its factorization.

1304264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12560 (or 12556 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1304264 is about 1142.0437819979. The cubic root of 1304264 is about 109.2584837025.

Adding to 1304264 its reverse (4624031), we get a palindrome (5928295).

The spelling of 1304264 in words is "one million, three hundred four thousand, two hundred sixty-four".

Divisors: 1 2 4 8 13 26 52 104 12541 25082 50164 100328 163033 326066 652132 1304264