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120304241 = 937128393
BaseRepresentation
bin1110010101110…
…11001001110001
322101101002101122
413022323021301
5221244213431
615534312025
72660366141
oct712731161
9271332348
10120304241
11619aa3a2
1234358615
131bc02555
1411d98921
15a865a7b
hex72bb271

120304241 has 4 divisors (see below), whose sum is σ = 120433572. Its totient is φ = 120174912.

The previous prime is 120304199. The next prime is 120304253. The reversal of 120304241 is 142403021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142403021 = 294910449.

It can be written as a sum of positive squares in 2 ways, for example, as 51480625 + 68823616 = 7175^2 + 8296^2 .

It is a cyclic number.

It is not a de Polignac number, because 120304241 - 210 = 120303217 is a prime.

It is a super-2 number, since 2×1203042412 = 28946220805172162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120304141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63260 + ... + 65133.

It is an arithmetic number, because the mean of its divisors is an integer number (30108393).

Almost surely, 2120304241 is an apocalyptic number.

It is an amenable number.

120304241 is a deficient number, since it is larger than the sum of its proper divisors (129331).

120304241 is an equidigital number, since it uses as much as digits as its factorization.

120304241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129330.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 120304241 is about 10968.3289976186. The cubic root of 120304241 is about 493.6589090945.

Adding to 120304241 its reverse (142403021), we get a palindrome (262707262).

The spelling of 120304241 in words is "one hundred twenty million, three hundred four thousand, two hundred forty-one".

Divisors: 1 937 128393 120304241