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11912250 = 235372269
BaseRepresentation
bin101101011100…
…010000111010
3211102012112110
4231130100322
511022143000
61103153150
7203152410
oct55342072
924365473
1011912250
1167a6939
123ba57b6
13261108c
1418212b0
1510a4850
hexb5c43a

11912250 has 64 divisors (see below), whose sum is σ = 33995520. Its totient is φ = 2721600.

The previous prime is 11912249. The next prime is 11912267. The reversal of 11912250 is 5221911.

11912250 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4116 + ... + 6384.

It is an arithmetic number, because the mean of its divisors is an integer number (531180).

Almost surely, 211912250 is an apocalyptic number.

11912250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11912250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16997760).

11912250 is an abundant number, since it is smaller than the sum of its proper divisors (22083270).

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

11912250 is a wasteful number, since it uses less digits than its factorization.

11912250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296 (or 2286 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 11912250 is about 3451.4127542211. The cubic root of 11912250 is about 228.3834345219.

The spelling of 11912250 in words is "eleven million, nine hundred twelve thousand, two hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 125 150 175 210 250 350 375 525 750 875 1050 1750 2269 2625 4538 5250 6807 11345 13614 15883 22690 31766 34035 47649 56725 68070 79415 95298 113450 158830 170175 238245 283625 340350 397075 476490 567250 794150 850875 1191225 1701750 1985375 2382450 3970750 5956125 11912250