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111380214 = 231123239307
BaseRepresentation
bin1101010001110…
…00011011110110
321202120200221010
412220320123312
5212003131324
615015133050
72521500441
oct650703366
9252520833
10111380214
1157964670
1231374186
131a0c966a
1410b14658
159ba1829
hex6a386f6

111380214 has 64 divisors (see below), whose sum is σ = 255467520. Its totient is φ = 32044320.

The previous prime is 111380201. The next prime is 111380219. The reversal of 111380214 is 412083111.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111380219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 362649 + ... + 362955.

It is an arithmetic number, because the mean of its divisors is an integer number (3991680).

Almost surely, 2111380214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111380214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127733760).

111380214 is an abundant number, since it is smaller than the sum of its proper divisors (144087306).

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

111380214 is a wasteful number, since it uses less digits than its factorization.

111380214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 111380214 is about 10553.6824852750. The cubic root of 111380214 is about 481.1376573885.

The spelling of 111380214 in words is "one hundred eleven million, three hundred eighty thousand, two hundred fourteen".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 138 239 253 307 478 506 614 717 759 921 1434 1518 1842 2629 3377 5258 5497 6754 7061 7887 10131 10994 14122 15774 16491 20262 21183 32982 42366 60467 73373 77671 120934 146746 155342 181401 220119 233013 362802 440238 466026 807103 1614206 1687579 2421309 3375158 4842618 5062737 10125474 18563369 37126738 55690107 111380214