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112540240 = 2457917807
BaseRepresentation
bin1101011010100…
…11101001010000
321211202122012001
412231103221100
5212302241430
615100043344
72534401441
oct655235120
9254678161
10112540240
115858716a
1231833554
131a414677
1410d372c8
159d303ca
hex6b53a50

112540240 has 40 divisors (see below), whose sum is σ = 264983040. Its totient is φ = 44443776.

The previous prime is 112540237. The next prime is 112540243. The reversal of 112540240 is 42045211.

It is an interprime number because it is at equal distance from previous prime (112540237) and next prime (112540243).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112540243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2584 + ... + 15223.

It is an arithmetic number, because the mean of its divisors is an integer number (6624576).

Almost surely, 2112540240 is an apocalyptic number.

112540240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112540240 is an abundant number, since it is smaller than the sum of its proper divisors (152442800).

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

112540240 is a wasteful number, since it uses less digits than its factorization.

112540240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17899 (or 17893 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 112540240 is about 10608.4984799923. The cubic root of 112540240 is about 482.8022429125.

Adding to 112540240 its reverse (42045211), we get a palindrome (154585451).

The spelling of 112540240 in words is "one hundred twelve million, five hundred forty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 79 80 158 316 395 632 790 1264 1580 3160 6320 17807 35614 71228 89035 142456 178070 284912 356140 712280 1406753 1424560 2813506 5627012 7033765 11254024 14067530 22508048 28135060 56270120 112540240