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112402891 is a prime number
BaseRepresentation
bin1101011001100…
…10000111001011
321211111122210001
412230302013023
5212233343031
615053103431
72533260136
oct654620713
9254448701
10112402891
11584a2a57
1231787b77
131a396cb3
1410cdd21d
159d04861
hex6b321cb

112402891 has 2 divisors, whose sum is σ = 112402892. Its totient is φ = 112402890.

The previous prime is 112402867. The next prime is 112402907. The reversal of 112402891 is 198204211.

It is a strong prime.

It is an emirp because it is prime and its reverse (198204211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112402891 - 219 = 111878603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112402091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56201445 + 56201446.

It is an arithmetic number, because the mean of its divisors is an integer number (56201446).

Almost surely, 2112402891 is an apocalyptic number.

112402891 is a deficient number, since it is larger than the sum of its proper divisors (1).

112402891 is an equidigital number, since it uses as much as digits as its factorization.

112402891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 112402891 is about 10602.0229673398. The cubic root of 112402891 is about 482.6057520087.

The spelling of 112402891 in words is "one hundred twelve million, four hundred two thousand, eight hundred ninety-one".