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11000471 = 16016871
BaseRepresentation
bin101001111101…
…101010010111
3202200212210212
4221331222113
510304003341
61031440035
7162334226
oct51755227
922625725
1011000471
1162338a9
12382601b
132382071
141664cbd
15e745eb
hexa7da97

11000471 has 4 divisors (see below), whose sum is σ = 11008944. Its totient is φ = 10992000.

The previous prime is 11000467. The next prime is 11000537. The reversal of 11000471 is 17400011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 17400011 = 47370213.

It is a cyclic number.

It is not a de Polignac number, because 11000471 - 22 = 11000467 is a prime.

It is a super-3 number, since 3×110004713 (a number of 22 digits) contains 333 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 (11000401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835 + ... + 5036.

It is an arithmetic number, because the mean of its divisors is an integer number (2752236).

Almost surely, 211000471 is an apocalyptic number.

11000471 is a deficient number, since it is larger than the sum of its proper divisors (8473).

11000471 is an equidigital number, since it uses as much as digits as its factorization.

11000471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8472.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 11000471 is about 3316.6957955170. The cubic root of 11000471 is about 222.4011832378.

Adding to 11000471 its reverse (17400011), we get a palindrome (28400482).

The spelling of 11000471 in words is "eleven million, four hundred seventy-one", and thus it is an aban number.

Divisors: 1 1601 6871 11000471