Search a number
-
+
1368393 = 31322699
BaseRepresentation
bin101001110000101001001
32120112002020
411032011021
5322242033
645155053
714426325
oct5160511
92515066
101368393
11855104
1255ba89
1338bb00
14278985
151c06b3
hex14e149

1368393 has 12 divisors (see below), whose sum is σ = 1976400. Its totient is φ = 841776.

The previous prime is 1368377. The next prime is 1368397. The reversal of 1368393 is 3938631.

It is not a de Polignac number, because 1368393 - 24 = 1368377 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1368397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 843 + ... + 1856.

It is an arithmetic number, because the mean of its divisors is an integer number (164700).

21368393 is an apocalyptic number.

1368393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1368393 is a deficient number, since it is larger than the sum of its proper divisors (608007).

1368393 is a wasteful number, since it uses less digits than its factorization.

1368393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728 (or 2715 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 1368393 is about 1169.7833132679. The cubic root of 1368393 is about 111.0206113823.

The spelling of 1368393 in words is "one million, three hundred sixty-eight thousand, three hundred ninety-three".

Divisors: 1 3 13 39 169 507 2699 8097 35087 105261 456131 1368393