Search a number
-
+
1317368 = 231353239
BaseRepresentation
bin101000001100111111000
32110221002102
411001213320
5314123433
644122532
714124503
oct5014770
92427072
101317368
1181a838
12536448
13371810
1426413a
151b04e8
hex1419f8

1317368 has 32 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 594048.

The previous prime is 1317361. The next prime is 1317377. The reversal of 1317368 is 8637131.

It is a self number, because there is not a number n which added to its sum of digits gives 1317368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5393 + ... + 5631.

It is an arithmetic number, because the mean of its divisors is an integer number (85050).

21317368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1317368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1360800).

1317368 is an abundant number, since it is smaller than the sum of its proper divisors (1404232).

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

1317368 is a wasteful number, since it uses less digits than its factorization.

1317368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 307 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 1317368 is about 1147.7665267815. The cubic root of 1317368 is about 109.6231733904.

The spelling of 1317368 in words is "one million, three hundred seventeen thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 53 104 106 212 239 424 478 689 956 1378 1912 2756 3107 5512 6214 12428 12667 24856 25334 50668 101336 164671 329342 658684 1317368