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240030313 = 383626711
BaseRepresentation
bin11100100111010…
…01001001101001
3121201122210200121
432103221021221
5442421432223
635452403241
75643136555
oct1623511151
9551583617
10240030313
11113544366
1268476521
133a961893
1423c42865
151611515d
hexe4e9269

240030313 has 4 divisors (see below), whose sum is σ = 240657408. Its totient is φ = 239403220.

The previous prime is 240030311. The next prime is 240030319. The reversal of 240030313 is 313030042.

240030313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 240030313 - 21 = 240030311 is a prime.

It is a super-2 number, since 2×2400303132 = 115229102317755938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240030311) 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, 312973 + ... + 313738.

It is an arithmetic number, because the mean of its divisors is an integer number (60164352).

Almost surely, 2240030313 is an apocalyptic number.

It is an amenable number.

240030313 is a deficient number, since it is larger than the sum of its proper divisors (627095).

240030313 is an equidigital number, since it uses as much as digits as its factorization.

240030313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627094.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 240030313 is about 15492.9117018074. The cubic root of 240030313 is about 621.4726638501.

Adding to 240030313 its reverse (313030042), we get a palindrome (553060355).

The spelling of 240030313 in words is "two hundred forty million, thirty thousand, three hundred thirteen".

Divisors: 1 383 626711 240030313