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112310989 = 7222910009
BaseRepresentation
bin1101011000110…
…11101011001101
321211022222201021
412230123223031
5212222422424
615051114141
72532425200
oct654335315
9254288637
10112310989
115843a9aa
1231742951
131a36420b
1410cb7937
159cd74e4
hex6b1bacd

112310989 has 12 divisors (see below), whose sum is σ = 131231100. Its totient is φ = 95836608.

The previous prime is 112310987. The next prime is 112311029. The reversal of 112310989 is 989013211.

It can be written as a sum of positive squares in 2 ways, for example, as 109369764 + 2941225 = 10458^2 + 1715^2 .

It is not a de Polignac number, because 112310989 - 21 = 112310987 is a prime.

It is a super-2 number, since 2×1123109892 = 25227516500316242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112310981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6217 + ... + 16225.

It is an arithmetic number, because the mean of its divisors is an integer number (10935925).

Almost surely, 2112310989 is an apocalyptic number.

It is an amenable number.

112310989 is a deficient number, since it is larger than the sum of its proper divisors (18920111).

112310989 is a wasteful number, since it uses less digits than its factorization.

112310989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10252 (or 10245 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 112310989 is about 10597.6879082185. The cubic root of 112310989 is about 482.4741879934.

The spelling of 112310989 in words is "one hundred twelve million, three hundred ten thousand, nine hundred eighty-nine".

Divisors: 1 7 49 229 1603 10009 11221 70063 490441 2292061 16044427 112310989