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112040381 = 1371575209
BaseRepresentation
bin1101010110110…
…01100110111101
321210211020111202
412223121212331
5212140243011
615041225245
72530220225
oct653314675
9253736452
10112040381
1158275662
1231632225
131a29acab
1410c47085
159c8223b
hex6ad99bd

112040381 has 8 divisors (see below), whose sum is σ = 113598840. Its totient is φ = 110492928.

The previous prime is 112040377. The next prime is 112040389. The reversal of 112040381 is 183040211.

It can be written as a sum of positive squares in 4 ways, for example, as 41396356 + 70644025 = 6434^2 + 8405^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112040381 - 22 = 112040377 is a prime.

It is a super-2 number, since 2×1120403812 = 25106093949250322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112040389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18905 + ... + 24113.

It is an arithmetic number, because the mean of its divisors is an integer number (14199855).

Almost surely, 2112040381 is an apocalyptic number.

It is an amenable number.

112040381 is a deficient number, since it is larger than the sum of its proper divisors (1558459).

112040381 is a wasteful number, since it uses less digits than its factorization.

112040381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 112040381 is about 10584.9128952486. The cubic root of 112040381 is about 482.0863767997.

Adding to 112040381 its reverse (183040211), we get a palindrome (295080592).

The spelling of 112040381 in words is "one hundred twelve million, forty thousand, three hundred eighty-one".

Divisors: 1 137 157 5209 21509 713633 817813 112040381