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1301013 = 327107193
BaseRepresentation
bin100111101101000010101
32110002122200
410331220111
5313113023
643515113
714026020
oct4755025
92402580
101301013
1180951a
12528a99
1336723c
1425c1b7
151aa743
hex13da15

1301013 has 24 divisors (see below), whose sum is σ = 2179008. Its totient is φ = 732672.

The previous prime is 1301011. The next prime is 1301017. The reversal of 1301013 is 3101031.

It is not a de Polignac number, because 1301013 - 21 = 1301011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1300986 and 1301004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301011) 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, 6645 + ... + 6837.

It is an arithmetic number, because the mean of its divisors is an integer number (90792).

21301013 is an apocalyptic number.

It is an amenable number.

1301013 is a deficient number, since it is larger than the sum of its proper divisors (877995).

1301013 is a wasteful number, since it uses less digits than its factorization.

1301013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 1301013 is about 1140.6195684802. The cubic root of 1301013 is about 109.1676291766.

Adding to 1301013 its reverse (3101031), we get a palindrome (4402044).

The spelling of 1301013 in words is "one million, three hundred one thousand, thirteen".

Divisors: 1 3 7 9 21 63 107 193 321 579 749 963 1351 1737 2247 4053 6741 12159 20651 61953 144557 185859 433671 1301013