[go: up one dir, main page]

Search a number
-
+
1304901 = 321319587
BaseRepresentation
bin100111110100101000101
32110021222200
410332211011
5313224101
643545113
714043243
oct4764505
92407880
101304901
11811434
1252b199
13368c40
1425d793
151ab986
hex13e945

1304901 has 24 divisors (see below), whose sum is σ = 2140320. Its totient is φ = 759456.

The previous prime is 1304893. The next prime is 1304923. The reversal of 1304901 is 1094031.

It is not a de Polignac number, because 1304901 - 23 = 1304893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304981) 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 23 ways as a sum of consecutive naturals, for example, 1930 + ... + 2516.

It is an arithmetic number, because the mean of its divisors is an integer number (89180).

21304901 is an apocalyptic number.

It is an amenable number.

1304901 is a deficient number, since it is larger than the sum of its proper divisors (835419).

1304901 is a wasteful number, since it uses less digits than its factorization.

1304901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1304901 is about 1142.3226339349. The cubic root of 1304901 is about 109.2762680179.

Adding to 1304901 its reverse (1094031), we get a palindrome (2398932).

The spelling of 1304901 in words is "one million, three hundred four thousand, nine hundred one".

Divisors: 1 3 9 13 19 39 57 117 171 247 587 741 1761 2223 5283 7631 11153 22893 33459 68679 100377 144989 434967 1304901