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11014471 = 131922347
BaseRepresentation
bin101010000001…
…000101000111
3202201121000101
4222001011013
510304430341
61032024531
7162423106
oct52010507
922647011
1011014471
116243376
123832147
132388550
14166a03d
15e78831
hexa81147

11014471 has 12 divisors (see below), whose sum is σ = 12524232. Its totient is φ = 9627984.

The previous prime is 11014463. The next prime is 11014481. The reversal of 11014471 is 17441011.

11014471 is a nontrivial binomial coefficient, being equal to C(4694, 2).

It is not a de Polignac number, because 11014471 - 23 = 11014463 is a prime.

It is a super-3 number, since 3×110144713 (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11014441) 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, 3520 + ... + 5866.

It is an arithmetic number, because the mean of its divisors is an integer number (1043686).

Almost surely, 211014471 is an apocalyptic number.

11014471 is the 4693-rd triangular number and also the 2347-th hexagonal number.

11014471 is the 1565-th centered nonagonal number.

11014471 is a deficient number, since it is larger than the sum of its proper divisors (1509761).

11014471 is a wasteful number, since it uses less digits than its factorization.

11014471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398 (or 2379 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 11014471 is about 3318.8056586670. The cubic root of 11014471 is about 222.4954912187.

Adding to 11014471 its reverse (17441011), we get a palindrome (28455482).

It can be divided in two parts, 110144 and 71, that added together give a triangular number (110215 = T469).

The spelling of 11014471 in words is "eleven million, fourteen thousand, four hundred seventy-one".

Divisors: 1 13 19 247 361 2347 4693 30511 44593 579709 847267 11014471