Search a number
-
+
120816425 = 5210346919
BaseRepresentation
bin1110011001110…
…00001100101001
322102100002222102
413030320030221
5221412111200
615553303145
72664631322
oct714701451
9272302872
10120816425
116221a194
1234564ab5
131c051712
141208d449
15a9176d5
hex7338329

120816425 has 12 divisors (see below), whose sum is σ = 151270080. Its totient is φ = 95712720.

The previous prime is 120816419. The next prime is 120816427. The reversal of 120816425 is 524618021.

It is not a de Polignac number, because 120816425 - 214 = 120800041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120816427) 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 11 ways as a sum of consecutive naturals, for example, 20885 + ... + 26034.

It is an arithmetic number, because the mean of its divisors is an integer number (12605840).

Almost surely, 2120816425 is an apocalyptic number.

It is an amenable number.

120816425 is a deficient number, since it is larger than the sum of its proper divisors (30453655).

120816425 is a wasteful number, since it uses less digits than its factorization.

120816425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47032 (or 47027 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 120816425 is about 10991.6525145221. The cubic root of 120816425 is about 494.3584860414.

The spelling of 120816425 in words is "one hundred twenty million, eight hundred sixteen thousand, four hundred twenty-five".

Divisors: 1 5 25 103 515 2575 46919 234595 1172975 4832657 24163285 120816425