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1408061 = 6132297
BaseRepresentation
bin101010111110000111101
32122112111102
411113300331
5330024221
650102445
714653064
oct5276075
92575442
101408061
11881996
1257aa25
133a3b95
142891db
151cc30b
hex157c3d

1408061 has 4 divisors (see below), whose sum is σ = 1410972. Its totient is φ = 1405152.

The previous prime is 1408031. The next prime is 1408067. The reversal of 1408061 is 1608041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 219961 + 1188100 = 469^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 1408061 - 26 = 1407997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408067) 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, 536 + ... + 1761.

It is an arithmetic number, because the mean of its divisors is an integer number (352743).

21408061 is an apocalyptic number.

It is an amenable number.

1408061 is a deficient number, since it is larger than the sum of its proper divisors (2911).

1408061 is an equidigital number, since it uses as much as digits as its factorization.

1408061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1408061 is about 1186.6174615267. The cubic root of 1408061 is about 112.0831918051.

Subtracting from 1408061 its sum of digits (20), we obtain a palindrome (1408041).

It can be divided in two parts, 14080 and 61, that added together give a palindrome (14141).

The spelling of 1408061 in words is "one million, four hundred eight thousand, sixty-one".

Divisors: 1 613 2297 1408061