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111140253 = 3271992849
BaseRepresentation
bin1101001111111…
…01110110011101
321202010111202200
412213331312131
5211422442003
615010042113
72516451030
oct647756635
9252114680
10111140253
1157810354
1231279339
131a044383
1410a91017
159b556a3
hex69fdd9d

111140253 has 24 divisors (see below), whose sum is σ = 193128000. Its totient is φ = 60165504.

The previous prime is 111140243. The next prime is 111140261. The reversal of 111140253 is 352041111.

It is not a de Polignac number, because 111140253 - 25 = 111140221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111140243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45228 + ... + 47621.

It is an arithmetic number, because the mean of its divisors is an integer number (8047000).

Almost surely, 2111140253 is an apocalyptic number.

It is an amenable number.

111140253 is a deficient number, since it is larger than the sum of its proper divisors (81987747).

111140253 is a wasteful number, since it uses less digits than its factorization.

111140253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92881 (or 92878 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 111140253 is about 10542.3077644318. The cubic root of 111140253 is about 480.7918829719.

Adding to 111140253 its reverse (352041111), we get a palindrome (463181364).

The spelling of 111140253 in words is "one hundred eleven million, one hundred forty thousand, two hundred fifty-three".

Divisors: 1 3 7 9 19 21 57 63 133 171 399 1197 92849 278547 649943 835641 1764131 1949829 5292393 5849487 12348917 15877179 37046751 111140253