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111052620 = 22345721399
BaseRepresentation
bin1101001111010…
…00011101001100
321201222001120000
412213220131030
5211412140440
615004124300
72515634400
oct647503514
9251861500
10111052620
1157760528
1231236690
131a013513
1410a6b100
159b39730
hex69e874c

111052620 has 180 divisors, whose sum is σ = 405543600. Its totient is φ = 25365312.

The previous prime is 111052607. The next prime is 111052661. The reversal of 111052620 is 26250111.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111052593 and 111052602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 78681 + ... + 80079.

It is an arithmetic number, because the mean of its divisors is an integer number (2253020).

Almost surely, 2111052620 is an apocalyptic number.

111052620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111052620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202771800).

111052620 is an abundant number, since it is smaller than the sum of its proper divisors (294490980).

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

111052620 is a wasteful number, since it uses less digits than its factorization.

111052620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434 (or 1416 counting only the distinct ones).

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

The square root of 111052620 is about 10538.1506916536. The cubic root of 111052620 is about 480.6654831822.

The spelling of 111052620 in words is "one hundred eleven million, fifty-two thousand, six hundred twenty".