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111980752 = 2413241413
BaseRepresentation
bin1101010110010…
…11000011010000
321210201012201021
412223023003100
5212131341002
615040045224
72526551332
oct653130320
9253635637
10111980752
1158234884
1231603814
131a279b00
1410c2d452
159c6e737
hex6acb0d0

111980752 has 30 divisors (see below), whose sum is σ = 234941622. Its totient is φ = 51682176.

The previous prime is 111980741. The next prime is 111980753. The reversal of 111980752 is 257089111.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2903616 + 109077136 = 1704^2 + 10444^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111980753) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18003 + ... + 23410.

Almost surely, 2111980752 is an apocalyptic number.

It is an amenable number.

111980752 is an abundant number, since it is smaller than the sum of its proper divisors (122960870).

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

111980752 is a wasteful number, since it uses less digits than its factorization.

111980752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41447 (or 41428 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 34.

The square root of 111980752 is about 10582.0958226620. The cubic root of 111980752 is about 482.0008379088. Note that the first 3 decimals are identical.

The spelling of 111980752 in words is "one hundred eleven million, nine hundred eighty thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 52 104 169 208 338 676 1352 2704 41413 82826 165652 331304 538369 662608 1076738 2153476 4306952 6998797 8613904 13997594 27995188 55990376 111980752