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1361406 = 23226901
BaseRepresentation
bin101001100010111111110
32120011111110
411030113332
5322031111
645102450
714400054
oct5142776
92504443
101361406
1184a932
12557a26
13388887
142761d4
151bd5a6
hex14c5fe

1361406 has 8 divisors (see below), whose sum is σ = 2722824. Its totient is φ = 453800.

The previous prime is 1361401. The next prime is 1361417. The reversal of 1361406 is 6041631.

It is a sphenic number, since it is the product of 3 distinct primes.

1361406 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113445 + ... + 113456.

It is an arithmetic number, because the mean of its divisors is an integer number (340353).

21361406 is an apocalyptic number.

1361406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1361406 is a wasteful number, since it uses less digits than its factorization.

1361406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226906.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1361406 is about 1166.7930407746. The cubic root of 1361406 is about 110.8313321791.

The spelling of 1361406 in words is "one million, three hundred sixty-one thousand, four hundred six".

Divisors: 1 2 3 6 226901 453802 680703 1361406