Search a number
-
+
118831050 = 23452133761
BaseRepresentation
bin1110001010100…
…11011111001010
322021121020120000
413011103133022
5220410043200
615442543430
72642022132
oct705233712
9267536500
10118831050
1161093588
1233967b76
131b807b40
1411ad3ac2
15a674300
hex71537ca

118831050 has 240 divisors, whose sum is σ = 371168952. Its totient is φ = 27993600.

The previous prime is 118831043. The next prime is 118831051. The reversal of 118831050 is 50138811.

It can be written as a sum of positive squares in 12 ways, for example, as 42849 + 118788201 = 207^2 + 10899^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (118831051) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1948020 + ... + 1948080.

Almost surely, 2118831050 is an apocalyptic number.

118831050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118831050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185584476).

118831050 is an abundant number, since it is smaller than the sum of its proper divisors (252337902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118831050 is a wasteful number, since it uses less digits than its factorization.

118831050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 118831050 is about 10900.9655535645. The cubic root of 118831050 is about 491.6355867870.

Adding to 118831050 its reverse (50138811), we get a palindrome (168969861).

The spelling of 118831050 in words is "one hundred eighteen million, eight hundred thirty-one thousand, fifty".