Search a number
-
+
1301052 = 223108421
BaseRepresentation
bin100111101101000111100
32110002201010
410331220330
5313113202
643515220
714026104
oct4755074
92402633
101301052
11809555
12528b10
1336726c
1425c204
151aa76c
hex13da3c

1301052 has 12 divisors (see below), whose sum is σ = 3035816. Its totient is φ = 433680.

The previous prime is 1301033. The next prime is 1301057. The reversal of 1301052 is 2501031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 108421 = 1301052 / (1 + 3 + 0 + 1 + 0 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54199 + ... + 54222.

21301052 is an apocalyptic number.

1301052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1301052 is an abundant number, since it is smaller than the sum of its proper divisors (1734764).

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

1301052 is a wasteful number, since it uses less digits than its factorization.

1301052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108428 (or 108426 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1301052 is about 1140.6366643239. The cubic root of 1301052 is about 109.1687199919.

Adding to 1301052 its reverse (2501031), we get a palindrome (3802083).

The spelling of 1301052 in words is "one million, three hundred one thousand, fifty-two".

Divisors: 1 2 3 4 6 12 108421 216842 325263 433684 650526 1301052