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1401441 = 3467147
BaseRepresentation
bin101010110001001100001
32122012102020
411112021201
5324321231
650012053
714624556
oct5261141
92565366
101401441
11877a18
12577029
133a0b72
14286a2d
151ca396
hex156261

1401441 has 4 divisors (see below), whose sum is σ = 1868592. Its totient is φ = 934292.

The previous prime is 1401437. The next prime is 1401443. The reversal of 1401441 is 1441041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1401441 - 22 = 1401437 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401441.

It is not an unprimeable number, because it can be changed into a prime (1401443) 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, 233571 + ... + 233576.

It is an arithmetic number, because the mean of its divisors is an integer number (467148).

21401441 is an apocalyptic number.

It is an amenable number.

1401441 is a deficient number, since it is larger than the sum of its proper divisors (467151).

1401441 is an equidigital number, since it uses as much as digits as its factorization.

1401441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467150.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1401441 is about 1183.8247336494. The cubic root of 1401441 is about 111.9072627320.

Adding to 1401441 its reverse (1441041), we get a palindrome (2842482).

The spelling of 1401441 in words is "one million, four hundred one thousand, four hundred forty-one".

Divisors: 1 3 467147 1401441