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112912889 = 671685267
BaseRepresentation
bin1101011101011…
…10100111111001
321212110120100212
412232232213321
5212401203024
615112040505
72540513045
oct656564771
9255416325
10112912889
1158811141
1231993135
131a51517b
1410dd3025
159da5a0e
hex6bae9f9

112912889 has 4 divisors (see below), whose sum is σ = 114598224. Its totient is φ = 111227556.

The previous prime is 112912879. The next prime is 112912901. The reversal of 112912889 is 988219211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112912889 - 224 = 96135673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112912829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842567 + ... + 842700.

It is an arithmetic number, because the mean of its divisors is an integer number (28649556).

Almost surely, 2112912889 is an apocalyptic number.

It is an amenable number.

112912889 is a deficient number, since it is larger than the sum of its proper divisors (1685335).

112912889 is an equidigital number, since it uses as much as digits as its factorization.

112912889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685334.

The product of its digits is 20736, while the sum is 41.

The square root of 112912889 is about 10626.0476659951. The cubic root of 112912889 is about 483.3345489730.

The spelling of 112912889 in words is "one hundred twelve million, nine hundred twelve thousand, eight hundred eighty-nine".

Divisors: 1 67 1685267 112912889