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111070420 = 2255553521
BaseRepresentation
bin1101001111011…
…00110011010100
321201222221222021
412213230303110
5211413223140
615004342524
72516040316
oct647546324
9251887867
10111070420
115777293a
1231244a44
131a01b656
1410a737b6
159b3eb4a
hex69eccd4

111070420 has 12 divisors (see below), whose sum is σ = 233247924. Its totient is φ = 44428160.

The previous prime is 111070403. The next prime is 111070429. The reversal of 111070420 is 24070111.

It can be written as a sum of positive squares in 2 ways, for example, as 45751696 + 65318724 = 6764^2 + 8082^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111070394 and 111070403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111070429) 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, 2776741 + ... + 2776780.

It is an arithmetic number, because the mean of its divisors is an integer number (19437327).

Almost surely, 2111070420 is an apocalyptic number.

111070420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111070420 is an abundant number, since it is smaller than the sum of its proper divisors (122177504).

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

111070420 is a wasteful number, since it uses less digits than its factorization.

111070420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553530 (or 5553528 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 111070420 is about 10538.9952082729. The cubic root of 111070420 is about 480.6911628661.

The spelling of 111070420 in words is "one hundred eleven million, seventy thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 5553521 11107042 22214084 27767605 55535210 111070420