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111968620 = 2255598431
BaseRepresentation
bin1101010110010…
…00000101101100
321210200121001221
412223020011230
5212130443440
615035513124
72526501061
oct653100554
9253617057
10111968620
1158226755
12315b87a4
131a27442a
1410c28c68
159c6ad4a
hex6ac816c

111968620 has 12 divisors (see below), whose sum is σ = 235134144. Its totient is φ = 44787440.

The previous prime is 111968599. The next prime is 111968639. The reversal of 111968620 is 26869111.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2799196 + ... + 2799235.

It is an arithmetic number, because the mean of its divisors is an integer number (19594512).

Almost surely, 2111968620 is an apocalyptic number.

111968620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111968620 is an abundant number, since it is smaller than the sum of its proper divisors (123165524).

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

111968620 is a wasteful number, since it uses less digits than its factorization.

111968620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5598440 (or 5598438 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 111968620 is about 10581.5225747527. The cubic root of 111968620 is about 481.9834306156.

The spelling of 111968620 in words is "one hundred eleven million, nine hundred sixty-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 5598431 11196862 22393724 27992155 55984310 111968620