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11292021 = 331353607
BaseRepresentation
bin101011000100…
…110101110101
3210020200202000
4223010311311
510342321041
61042005513
7164660226
oct53046565
923220660
1011292021
116412954
123946899
132454990
1416dd24d
15ed0bb6
hexac4d75

11292021 has 32 divisors (see below), whose sum is σ = 18385920. Its totient is φ = 6806592.

The previous prime is 11291999. The next prime is 11292037. The reversal of 11292021 is 12029211.

It is not a de Polignac number, because 11292021 - 26 = 11291957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11291985 and 11292003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11292041) 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 31 ways as a sum of consecutive naturals, for example, 18300 + ... + 18906.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 211292021 is an apocalyptic number.

It is an amenable number.

11292021 is a deficient number, since it is larger than the sum of its proper divisors (7093899).

11292021 is a wasteful number, since it uses less digits than its factorization.

11292021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 11292021 is about 3360.3602485448. The cubic root of 11292021 is about 224.3488730787.

The spelling of 11292021 in words is "eleven million, two hundred ninety-two thousand, twenty-one".

Divisors: 1 3 9 13 27 39 53 117 159 351 477 607 689 1431 1821 2067 5463 6201 7891 16389 18603 23673 32171 71019 96513 213057 289539 418223 868617 1254669 3764007 11292021