Search a number
-
+
112478890 = 2537303997
BaseRepresentation
bin1101011010001…
…00101010101010
321211122112000211
412231010222222
5212243311030
615054451334
72534024536
oct655045252
9254575024
10112478890
1158545067
1231803b4a
131a3c2774
1410d1cbc6
159d1c12a
hex6b44aaa

112478890 has 16 divisors (see below), whose sum is σ = 207934632. Its totient is φ = 43775424.

The previous prime is 112478837. The next prime is 112478903. The reversal of 112478890 is 98874211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 105493441 + 6985449 = 10271^2 + 2643^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151629 + ... + 152368.

Almost surely, 2112478890 is an apocalyptic number.

112478890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112478890 is a deficient number, since it is larger than the sum of its proper divisors (95455742).

112478890 is a wasteful number, since it uses less digits than its factorization.

112478890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304041.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 112478890 is about 10605.6065361676. The cubic root of 112478890 is about 482.7144956275.

The spelling of 112478890 in words is "one hundred twelve million, four hundred seventy-eight thousand, eight hundred ninety".

Divisors: 1 2 5 10 37 74 185 370 303997 607994 1519985 3039970 11247889 22495778 56239445 112478890