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112489381 is a prime number
BaseRepresentation
bin1101011010001…
…11001110100101
321211200001102101
412231013032211
5212244130011
615055012101
72534100244
oct655071645
9254601371
10112489381
1158551a34
123180a031
131a3c7484
1410d2295b
159d202c1
hex6b473a5

112489381 has 2 divisors, whose sum is σ = 112489382. Its totient is φ = 112489380.

The previous prime is 112489339. The next prime is 112489453. The reversal of 112489381 is 183984211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74666881 + 37822500 = 8641^2 + 6150^2 .

It is a cyclic number.

It is not a de Polignac number, because 112489381 - 219 = 111965093 is a prime.

It is a super-2 number, since 2×1124893812 = 25307721675526322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112489381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112489301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56244690 + 56244691.

It is an arithmetic number, because the mean of its divisors is an integer number (56244691).

Almost surely, 2112489381 is an apocalyptic number.

It is an amenable number.

112489381 is a deficient number, since it is larger than the sum of its proper divisors (1).

112489381 is an equidigital number, since it uses as much as digits as its factorization.

112489381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 37.

The square root of 112489381 is about 10606.1011215243. The cubic root of 112489381 is about 482.7295028889.

The spelling of 112489381 in words is "one hundred twelve million, four hundred eighty-nine thousand, three hundred eighty-one".