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11471419 = 103111373
BaseRepresentation
bin101011110000…
…101000111011
3210120210211101
4223300220323
510414041134
61045512231
7166335241
oct53605073
923523741
1011471419
116525713
123a12677
1324b852b
141748791
151018e14
hexaf0a3b

11471419 has 4 divisors (see below), whose sum is σ = 11582896. Its totient is φ = 11359944.

The previous prime is 11471417. The next prime is 11471423. The reversal of 11471419 is 91417411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91417411 = 317288383.

It is a cyclic number.

It is not a de Polignac number, because 11471419 - 21 = 11471417 is a prime.

It is a super-2 number, since 2×114714192 = 263186907747122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11471417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55584 + ... + 55789.

It is an arithmetic number, because the mean of its divisors is an integer number (2895724).

Almost surely, 211471419 is an apocalyptic number.

11471419 is a deficient number, since it is larger than the sum of its proper divisors (111477).

11471419 is a wasteful number, since it uses less digits than its factorization.

11471419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111476.

The product of its digits is 1008, while the sum is 28.

The square root of 11471419 is about 3386.9483314630. The cubic root of 11471419 is about 225.5307241123.

The spelling of 11471419 in words is "eleven million, four hundred seventy-one thousand, four hundred nineteen".

Divisors: 1 103 111373 11471419