Search a number
-
+
1401313 = 11312401
BaseRepresentation
bin101010110000111100001
32122012020111
411112013201
5324320223
650011321
714624314
oct5260741
92565214
101401313
11877911
12576b41
133a0aa4
1428697b
151ca30d
hex1561e1

1401313 has 4 divisors (see below), whose sum is σ = 1413828. Its totient is φ = 1388800.

The previous prime is 1401287. The next prime is 1401317. The reversal of 1401313 is 3131041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 208849 + 1192464 = 457^2 + 1092^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401313 - 29 = 1400801 is a prime.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401293 and 1401302.

It is not an unprimeable number, because it can be changed into a prime (1401317) 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, 6088 + ... + 6313.

It is an arithmetic number, because the mean of its divisors is an integer number (353457).

21401313 is an apocalyptic number.

It is an amenable number.

1401313 is a deficient number, since it is larger than the sum of its proper divisors (12515).

1401313 is a wasteful number, since it uses less digits than its factorization.

1401313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12514.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1401313 is about 1183.7706703581. The cubic root of 1401313 is about 111.9038556280.

Adding to 1401313 its reverse (3131041), we get a palindrome (4532354).

The spelling of 1401313 in words is "one million, four hundred one thousand, three hundred thirteen".

Divisors: 1 113 12401 1401313