Search a number
-
+
120342986 = 2173334721
BaseRepresentation
bin1110010110001…
…00100111001010
322101110001112122
413023010213022
5221301433421
615535211242
72660620121
oct713044712
9271401478
10120342986
1161a26515
1234376b22
131bc1708a
1411da8ab8
15a8722ab
hex72c49ca

120342986 has 8 divisors (see below), whose sum is σ = 180623844. Its totient is φ = 60135040.

The previous prime is 120342977. The next prime is 120342997. The reversal of 120342986 is 689243021.

It can be written as a sum of positive squares in 2 ways, for example, as 120318961 + 24025 = 10969^2 + 155^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 13895 + ... + 20826.

Almost surely, 2120342986 is an apocalyptic number.

120342986 is a deficient number, since it is larger than the sum of its proper divisors (60280858).

120342986 is a wasteful number, since it uses less digits than its factorization.

120342986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36456.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 120342986 is about 10970.0950770720. The cubic root of 120342986 is about 493.7118990842.

Adding to 120342986 its sum of digits (35), we get a palindrome (120343021).

The spelling of 120342986 in words is "one hundred twenty million, three hundred forty-two thousand, nine hundred eighty-six".

Divisors: 1 2 1733 3466 34721 69442 60171493 120342986