Search a number
-
+
120747078 = 2332236057
BaseRepresentation
bin1110011001001…
…11010001000110
322102012120212000
413030213101012
5221402401303
615552010130
72664222204
oct714472106
9272176760
10120747078
1162182081
1234530946
131c028c9a
1412072074
15a901da3
hex7327446

120747078 has 16 divisors (see below), whose sum is σ = 268326960. Its totient is φ = 40249008.

The previous prime is 120747061. The next prime is 120747083. The reversal of 120747078 is 870747021.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1117975 + ... + 1118082.

It is an arithmetic number, because the mean of its divisors is an integer number (16770435).

Almost surely, 2120747078 is an apocalyptic number.

120747078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

120747078 is an abundant number, since it is smaller than the sum of its proper divisors (147579882).

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

120747078 is a wasteful number, since it uses less digits than its factorization.

120747078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236068 (or 2236062 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 120747078 is about 10988.4975315099. The cubic root of 120747078 is about 494.2638829022.

The spelling of 120747078 in words is "one hundred twenty million, seven hundred forty-seven thousand, seventy-eight".

Divisors: 1 2 3 6 9 18 27 54 2236057 4472114 6708171 13416342 20124513 40249026 60373539 120747078