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2131441 = 131271291
BaseRepresentation
bin1000001000010111110001
311000021210021
420020113301
51021201231
6113403441
724055054
oct10102761
94007707
102131441
111226424
12869581
13598210
143d6a9b
152c1811
hex2085f1

2131441 has 8 divisors (see below), whose sum is σ = 2315264. Its totient is φ = 1950480.

The previous prime is 2131429. The next prime is 2131447. The reversal of 2131441 is 1441312.

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

It is a cyclic number.

It is not a de Polignac number, because 2131441 - 29 = 2130929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131447) 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, 1006 + ... + 2296.

It is an arithmetic number, because the mean of its divisors is an integer number (289408).

22131441 is an apocalyptic number.

It is an amenable number.

2131441 is a deficient number, since it is larger than the sum of its proper divisors (183823).

2131441 is a wasteful number, since it uses less digits than its factorization.

2131441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431.

The product of its digits is 96, while the sum is 16.

The square root of 2131441 is about 1459.9455469297. The cubic root of 2131441 is about 128.6938436095.

Adding to 2131441 its reverse (1441312), we get a palindrome (3572753).

The spelling of 2131441 in words is "two million, one hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 13 127 1291 1651 16783 163957 2131441