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11122560 = 273251931
BaseRepresentation
bin101010011011…
…011110000000
3202221002021200
4222123132000
510321410220
61034221200
7163353201
oct52333600
922832250
1011122560
1163075a9
123884800
1323c57c7
1416975a8
15e9a890
hexa9b780

11122560 has 96 divisors (see below), whose sum is σ = 38427480. Its totient is φ = 2964480.

The previous prime is 11122519. The next prime is 11122561. The reversal of 11122560 is 6522111.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×111225602 = 247422681907200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122561) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4795 + ... + 6725.

Almost surely, 211122560 is an apocalyptic number.

11122560 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 11122560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19213740).

11122560 is an abundant number, since it is smaller than the sum of its proper divisors (27304920).

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

11122560 is a wasteful number, since it uses less digits than its factorization.

11122560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956 (or 1941 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 11122560 is about 3335.0502245094. The cubic root of 11122560 is about 223.2209330196.

Adding to 11122560 its reverse (6522111), we get a palindrome (17644671).

The spelling of 11122560 in words is "eleven million, one hundred twenty-two thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 288 320 360 384 480 576 640 720 960 1152 1440 1920 1931 2880 3862 5760 5793 7724 9655 11586 15448 17379 19310 23172 28965 30896 34758 38620 46344 57930 61792 69516 77240 86895 92688 115860 123584 139032 154480 173790 185376 231720 247168 278064 308960 347580 370752 463440 556128 617920 695160 741504 926880 1112256 1235840 1390320 1853760 2224512 2780640 3707520 5561280 11122560