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11173380 = 2235732551
BaseRepresentation
bin101010100111…
…111000000100
3210000122222220
4222213320010
510330022010
61035252340
7163654311
oct52477004
923018886
1011173380
1163417a9
1238aa0b0
13241298a
1416abd08
15eaa970
hexaa7e04

11173380 has 48 divisors (see below), whose sum is σ = 31726464. Its totient is φ = 2937600.

The previous prime is 11173373. The next prime is 11173397. The reversal of 11173380 is 8337111.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 11173380.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3105 + ... + 5655.

It is an arithmetic number, because the mean of its divisors is an integer number (660968).

Almost surely, 211173380 is an apocalyptic number.

11173380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11173380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15863232).

11173380 is an abundant number, since it is smaller than the sum of its proper divisors (20553084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11173380 is a wasteful number, since it uses less digits than its factorization.

11173380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636 (or 2634 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 11173380 is about 3342.6606169338. The cubic root of 11173380 is about 223.5603888686.

The spelling of 11173380 in words is "eleven million, one hundred seventy-three thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 73 146 219 292 365 438 730 876 1095 1460 2190 2551 4380 5102 7653 10204 12755 15306 25510 30612 38265 51020 76530 153060 186223 372446 558669 744892 931115 1117338 1862230 2234676 2793345 3724460 5586690 11173380