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11912230 = 2511108293
BaseRepresentation
bin101101011100…
…010000100110
3211102012111201
4231130100212
511022142410
61103153114
7203152351
oct55342046
924365451
1011912230
1167a6920
123ba579a
132611075
141821298
1510a483a
hexb5c426

11912230 has 16 divisors (see below), whose sum is σ = 23391504. Its totient is φ = 4331680.

The previous prime is 11912191. The next prime is 11912237. The reversal of 11912230 is 3221911.

It is a junction number, because it is equal to n+sod(n) for n = 11912198 and 11912207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11912237) 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 7 ways as a sum of consecutive naturals, for example, 54037 + ... + 54256.

It is an arithmetic number, because the mean of its divisors is an integer number (1461969).

Almost surely, 211912230 is an apocalyptic number.

11912230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11912230 is a deficient number, since it is larger than the sum of its proper divisors (11479274).

11912230 is a wasteful number, since it uses less digits than its factorization.

11912230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108311.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 11912230 is about 3451.4098568556. The cubic root of 11912230 is about 228.3833067075.

The spelling of 11912230 in words is "eleven million, nine hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 108293 216586 541465 1082930 1191223 2382446 5956115 11912230