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1408131 = 3352153
BaseRepresentation
bin101010111110010000011
32122112121000
411113302003
5330030011
650103043
714653224
oct5276203
92575530
101408131
11881a4a
1257aa83
133a3c1a
1428924b
151cc356
hex157c83

1408131 has 8 divisors (see below), whose sum is σ = 2086160. Its totient is φ = 938736.

The previous prime is 1408123. The next prime is 1408151. The reversal of 1408131 is 1318041.

It is not a de Polignac number, because 1408131 - 23 = 1408123 is a prime.

It is a super-2 number, since 2×14081312 = 3965665826322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408111) 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 7 ways as a sum of consecutive naturals, for example, 26050 + ... + 26103.

It is an arithmetic number, because the mean of its divisors is an integer number (260770).

21408131 is an apocalyptic number.

1408131 is a deficient number, since it is larger than the sum of its proper divisors (678029).

1408131 is an equidigital number, since it uses as much as digits as its factorization.

1408131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52162 (or 52156 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1408131 is about 1186.6469567652. The cubic root of 1408131 is about 112.0850491331.

The spelling of 1408131 in words is "one million, four hundred eight thousand, one hundred thirty-one".

Divisors: 1 3 9 27 52153 156459 469377 1408131