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11780112 = 243245419
BaseRepresentation
bin101100111100…
…000000010000
3211011111021110
4230330000100
511003430422
61100253320
7202062231
oct54740020
924144243
1011780112
116716633
123b41240
132595ba6
1417c9088
15107a60c
hexb3c010

11780112 has 20 divisors (see below), whose sum is σ = 30432080. Its totient is φ = 3926688.

The previous prime is 11780101. The next prime is 11780113. The reversal of 11780112 is 21108711.

It is not an unprimeable number, because it can be changed into a prime (11780113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122662 + ... + 122757.

It is an arithmetic number, because the mean of its divisors is an integer number (1521604).

Almost surely, 211780112 is an apocalyptic number.

11780112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11780112 is an abundant number, since it is smaller than the sum of its proper divisors (18651968).

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

11780112 is a wasteful number, since it uses less digits than its factorization.

11780112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245430 (or 245424 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 21.

The square root of 11780112 is about 3432.2167763706. The cubic root of 11780112 is about 227.5358362418.

Adding to 11780112 its reverse (21108711), we get a palindrome (32888823).

The spelling of 11780112 in words is "eleven million, seven hundred eighty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 245419 490838 736257 981676 1472514 1963352 2945028 3926704 5890056 11780112