Search a number
-
+
120303225 = 365272341
BaseRepresentation
bin1110010101110…
…10111001111001
322101101001000000
413022322321321
5221244200400
615534303213
72660363160
oct712727171
9271331000
10120303225
11619a9659
1234357b09
131bc01c53
1411d983d7
15a865600
hex72bae79

120303225 has 168 divisors, whose sum is σ = 273232512. Its totient is φ = 51321600.

The previous prime is 120303217. The next prime is 120303229. The reversal of 120303225 is 522303021.

It is not a de Polignac number, because 120303225 - 23 = 120303217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120303198 and 120303207.

It is not an unprimeable number, because it can be changed into a prime (120303229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 2934205 + ... + 2934245.

It is an arithmetic number, because the mean of its divisors is an integer number (1626384).

Almost surely, 2120303225 is an apocalyptic number.

120303225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120303225 is an abundant number, since it is smaller than the sum of its proper divisors (152929287).

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

120303225 is an equidigital number, since it uses as much as digits as its factorization.

120303225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 120303225 is about 10968.2826823528. The cubic root of 120303225 is about 493.6575193988.

Adding to 120303225 its reverse (522303021), we get a palindrome (642606246).

The spelling of 120303225 in words is "one hundred twenty million, three hundred three thousand, two hundred twenty-five".