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111066380 = 2255553319
BaseRepresentation
bin1101001111010…
…11110100001100
321201222202102122
412213223310030
5211413111010
615004312112
72516022455
oct647536414
9251882378
10111066380
115776a8a7
1231242638
131a019869
1410a7212c
159b3d855
hex69ebd0c

111066380 has 12 divisors (see below), whose sum is σ = 233239440. Its totient is φ = 44426544.

The previous prime is 111066349. The next prime is 111066383. The reversal of 111066380 is 83660111.

It is not an unprimeable number, because it can be changed into a prime (111066383) 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, 2776640 + ... + 2776679.

It is an arithmetic number, because the mean of its divisors is an integer number (19436620).

Almost surely, 2111066380 is an apocalyptic number.

111066380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111066380 is an abundant number, since it is smaller than the sum of its proper divisors (122173060).

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

111066380 is a wasteful number, since it uses less digits than its factorization.

111066380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553328 (or 5553326 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 111066380 is about 10538.8035374040. The cubic root of 111066380 is about 480.6853346841.

The spelling of 111066380 in words is "one hundred eleven million, sixty-six thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 5553319 11106638 22213276 27766595 55533190 111066380