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1368001 = 3736973
BaseRepresentation
bin101001101111111000001
32120111112201
411031333001
5322234001
645153201
714425225
oct5157701
92514481
101368001
11854888
1255b801
1338b88b
14278785
151c0501
hex14dfc1

1368001 has 4 divisors (see below), whose sum is σ = 1405012. Its totient is φ = 1330992.

The previous prime is 1367987. The next prime is 1368013. The reversal of 1368001 is 1008631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1008631 = 1377587.

It can be written as a sum of positive squares in 2 ways, for example, as 767376 + 600625 = 876^2 + 775^2 .

It is a cyclic number.

It is not a de Polignac number, because 1368001 - 215 = 1335233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1368001.

It is not an unprimeable number, because it can be changed into a prime (1368071) 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, 18450 + ... + 18523.

It is an arithmetic number, because the mean of its divisors is an integer number (351253).

21368001 is an apocalyptic number.

It is an amenable number.

1368001 is a deficient number, since it is larger than the sum of its proper divisors (37011).

1368001 is an equidigital number, since it uses as much as digits as its factorization.

1368001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37010.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1368001 is about 1169.6157488680. The cubic root of 1368001 is about 111.0100091074.

The spelling of 1368001 in words is "one million, three hundred sixty-eight thousand, one".

Divisors: 1 37 36973 1368001