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111974380 = 2257799817
BaseRepresentation
bin1101010110010…
…01011111101100
321210200212222021
412223021133230
5212131140010
615035555524
72526523630
oct653113754
9253625867
10111974380
1158230011
12315bbba4
131a276c3b
1410c2adc0
159c6c8da
hex6ac97ec

111974380 has 24 divisors (see below), whose sum is σ = 268738848. Its totient is φ = 38391168.

The previous prime is 111974377. The next prime is 111974399. The reversal of 111974380 is 83479111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399769 + ... + 400048.

It is an arithmetic number, because the mean of its divisors is an integer number (11197452).

Almost surely, 2111974380 is an apocalyptic number.

111974380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111974380 is an abundant number, since it is smaller than the sum of its proper divisors (156764468).

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

111974380 is a wasteful number, since it uses less digits than its factorization.

111974380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799833 (or 799831 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 111974380 is about 10581.7947438041. The cubic root of 111974380 is about 481.9916953626.

The spelling of 111974380 in words is "one hundred eleven million, nine hundred seventy-four thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 799817 1599634 3199268 3999085 5598719 7998170 11197438 15996340 22394876 27993595 55987190 111974380