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1320814 = 21160037
BaseRepresentation
bin101000010011101101110
32111002211001
411002131232
5314231224
644150514
714140525
oct5023556
92432731
101320814
11822390
1253843a
13373261
142654bc
151b1544
hex14276e

1320814 has 8 divisors (see below), whose sum is σ = 2161368. Its totient is φ = 600360.

The previous prime is 1320811. The next prime is 1320859. The reversal of 1320814 is 4180231.

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

It is a junction number, because it is equal to n+sod(n) for n = 1320791 and 1320800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29997 + ... + 30040.

It is an arithmetic number, because the mean of its divisors is an integer number (270171).

21320814 is an apocalyptic number.

1320814 is a deficient number, since it is larger than the sum of its proper divisors (840554).

1320814 is a wasteful number, since it uses less digits than its factorization.

1320814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60050.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1320814 is about 1149.2667227411. The cubic root of 1320814 is about 109.7186750644.

The spelling of 1320814 in words is "one million, three hundred twenty thousand, eight hundred fourteen".

Divisors: 1 2 11 22 60037 120074 660407 1320814