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11471141 = 111761343
BaseRepresentation
bin101011110000…
…100100100101
3210120210110002
4223300210211
510414034031
61045511045
7166334363
oct53604445
923523402
1011471141
116525490
123a12485
1324b8376
141748633
151018ccb
hexaf0925

11471141 has 8 divisors (see below), whose sum is σ = 13250304. Its totient is φ = 9814720.

The previous prime is 11471129. The next prime is 11471167. The reversal of 11471141 is 14117411.

It is a happy number.

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 11471141 - 26 = 11471077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11471171) 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, 30485 + ... + 30858.

It is an arithmetic number, because the mean of its divisors is an integer number (1656288).

Almost surely, 211471141 is an apocalyptic number.

11471141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11471141 is a deficient number, since it is larger than the sum of its proper divisors (1779163).

11471141 is a wasteful number, since it uses less digits than its factorization.

11471141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61371.

The product of its digits is 112, while the sum is 20.

The square root of 11471141 is about 3386.9072913205. The cubic root of 11471141 is about 225.5289022497.

Adding to 11471141 its reverse (14117411), we get a palindrome (25588552).

The spelling of 11471141 in words is "eleven million, four hundred seventy-one thousand, one hundred forty-one".

Divisors: 1 11 17 187 61343 674773 1042831 11471141