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11442141 = 3547087
BaseRepresentation
bin101011101001…
…011111011101
3210112022200000
4223221133131
510412122031
61045124513
7166154004
oct53513735
923468600
1011442141
116505717
1239b9739
1324a80c9
14173bc3b
1510103e6
hexae97dd

11442141 has 12 divisors (see below), whose sum is σ = 17140032. Its totient is φ = 7627932.

The previous prime is 11442127. The next prime is 11442143. The reversal of 11442141 is 14124411.

It is not a de Polignac number, because 11442141 - 26 = 11442077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11442143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23301 + ... + 23786.

It is an arithmetic number, because the mean of its divisors is an integer number (1428336).

Almost surely, 211442141 is an apocalyptic number.

It is an amenable number.

11442141 is a deficient number, since it is larger than the sum of its proper divisors (5697891).

11442141 is an frugal number, since it uses more digits than its factorization.

11442141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47102 (or 47090 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 11442141 is about 3382.6233902106. The cubic root of 11442141 is about 225.3386899181.

Adding to 11442141 its reverse (14124411), we get a palindrome (25566552).

The spelling of 11442141 in words is "eleven million, four hundred forty-two thousand, one hundred forty-one".

Divisors: 1 3 9 27 81 243 47087 141261 423783 1271349 3814047 11442141