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111352040 = 23517163753
BaseRepresentation
bin1101010001100…
…01100011101000
321202112021021122
412220301203220
5212001231130
615014354412
72521322342
oct650614350
9252467248
10111352040
1157945488
123135ba08
131a0b98a7
1410b08292
159b982e5
hex6a318e8

111352040 has 32 divisors (see below), whose sum is σ = 265281480. Its totient is φ = 41920512.

The previous prime is 111352019. The next prime is 111352051. The reversal of 111352040 is 40253111.

It can be written as a sum of positive squares in 4 ways, for example, as 81036004 + 30316036 = 9002^2 + 5506^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 81197 + ... + 82556.

Almost surely, 2111352040 is an apocalyptic number.

111352040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111352040 is an abundant number, since it is smaller than the sum of its proper divisors (153929440).

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

111352040 is a wasteful number, since it uses less digits than its factorization.

111352040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163781 (or 163777 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 111352040 is about 10552.3476061017. The cubic root of 111352040 is about 481.0970855041.

The spelling of 111352040 in words is "one hundred eleven million, three hundred fifty-two thousand, forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 163753 327506 655012 818765 1310024 1637530 2783801 3275060 5567602 6550120 11135204 13919005 22270408 27838010 55676020 111352040