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120480908 = 22143321019
BaseRepresentation
bin1110010111001…
…10010010001100
322101201001201212
413023212102030
5221320342113
615542153552
72662033202
oct713462214
9271631655
10120480908
11620100a9
12344228b8
131bc64aa2
1412003072
15a89d0a8
hex72e648c

120480908 has 12 divisors (see below), whose sum is σ = 210998760. Its totient is φ = 60195552.

The previous prime is 120480907. The next prime is 120480947. The reversal of 120480908 is 809084021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (120480901) by changing a digit.

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, 4778 + ... + 16241.

It is an arithmetic number, because the mean of its divisors is an integer number (17583230).

Almost surely, 2120480908 is an apocalyptic number.

It is an amenable number.

120480908 is a deficient number, since it is larger than the sum of its proper divisors (90517852).

120480908 is a wasteful number, since it uses less digits than its factorization.

120480908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22456 (or 22454 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 120480908 is about 10976.3795488312. The cubic root of 120480908 is about 493.9004372446.

The spelling of 120480908 in words is "one hundred twenty million, four hundred eighty thousand, nine hundred eight".

Divisors: 1 2 4 1433 2866 5732 21019 42038 84076 30120227 60240454 120480908