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1120912 = 241317317
BaseRepresentation
bin100010001101010010000
32002221121021
410101222100
5241332122
640005224
712345652
oct4215220
92087537
101120912
116a6181
12460814
13303280
142126d2
151721c7
hex111a90

1120912 has 40 divisors (see below), whose sum is σ = 2484216. Its totient is φ = 485376.

The previous prime is 1120907. The next prime is 1120913. The reversal of 1120912 is 2190211.

It can be written as a sum of positive squares in 4 ways, for example, as 5776 + 1115136 = 76^2 + 1056^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3378 + ... + 3694.

21120912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1242108).

1120912 is an abundant number, since it is smaller than the sum of its proper divisors (1363304).

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

1120912 is a wasteful number, since it uses less digits than its factorization.

1120912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1120912 is about 1058.7313162460. The cubic root of 1120912 is about 103.8780622146.

It can be divided in two parts, 11 and 20912, that multiplied together give a palindrome (230032).

The spelling of 1120912 in words is "one million, one hundred twenty thousand, nine hundred twelve".

Divisors: 1 2 4 8 13 16 17 26 34 52 68 104 136 208 221 272 317 442 634 884 1268 1768 2536 3536 4121 5072 5389 8242 10778 16484 21556 32968 43112 65936 70057 86224 140114 280228 560456 1120912