Search a number
1368825 = 35218251
BaseRepresentation
bin101001110001011111001
32120112200020
411032023321
5322300300
645201053
714430513
oct5161371
92515606
101368825
11855467
12560189
1338c073
14278bb3
151c08a0
hex14e2f9

1368825 has 12 divisors (see below), whose sum is σ = 2263248. Its totient is φ = 730000.

The previous prime is 1368811. The next prime is 1368827. The reversal of 1368825 is 5288631.

It is a happy number.

It is not a de Polignac number, because 1368825 - 25 = 1368793 is a prime.

1368825 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1368827) 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, 9051 + ... + 9200.

It is an arithmetic number, because the mean of its divisors is an integer number (188604).

21368825 is an apocalyptic number.

1368825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1368825 is a deficient number, since it is larger than the sum of its proper divisors (894423).

1368825 is a wasteful number, since it uses less digits than its factorization.

1368825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18264 (or 18259 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 1368825 is about 1169.9679482789. The cubic root of 1368825 is about 111.0322931769.

The spelling of 1368825 in words is "one million, three hundred sixty-eight thousand, eight hundred twenty-five".