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1406841 = 32320389
BaseRepresentation
bin101010111011101111001
32122110211020
411113131321
5330004331
650053053
714646402
oct5273571
92573736
101406841
11880a87
1257a189
133a3467
142889a9
151cbc96
hex157779

1406841 has 8 divisors (see below), whose sum is σ = 1957440. Its totient is φ = 897072.

The previous prime is 1406837. The next prime is 1406849. The reversal of 1406841 is 1486041.

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

It is not a de Polignac number, because 1406841 - 22 = 1406837 is a prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1406849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10126 + ... + 10263.

It is an arithmetic number, because the mean of its divisors is an integer number (244680).

21406841 is an apocalyptic number.

It is an amenable number.

1406841 is a deficient number, since it is larger than the sum of its proper divisors (550599).

1406841 is a wasteful number, since it uses less digits than its factorization.

1406841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20415.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1406841 is about 1186.1032838670. The cubic root of 1406841 is about 112.0508113411.

The spelling of 1406841 in words is "one million, four hundred six thousand, eight hundred forty-one".

Divisors: 1 3 23 69 20389 61167 468947 1406841