Search a number
-
+
240434437 is a prime number
BaseRepresentation
bin11100101010010…
…11110100000101
3121202102100001011
432111023310011
5443022400222
635505202221
75646442015
oct1625136405
9552370034
10240434437
1111379aa51
1268630371
133aa737c9
1423d09c45
1516194c77
hexe54bd05

240434437 has 2 divisors, whose sum is σ = 240434438. Its totient is φ = 240434436.

The previous prime is 240434423. The next prime is 240434459. The reversal of 240434437 is 734434042.

240434437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222337921 + 18096516 = 14911^2 + 4254^2 .

It is a cyclic number.

It is not a de Polignac number, because 240434437 - 219 = 239910149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240434399 and 240434408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240434497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120217218 + 120217219.

It is an arithmetic number, because the mean of its divisors is an integer number (120217219).

Almost surely, 2240434437 is an apocalyptic number.

It is an amenable number.

240434437 is a deficient number, since it is larger than the sum of its proper divisors (1).

240434437 is an equidigital number, since it uses as much as digits as its factorization.

240434437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 31.

The square root of 240434437 is about 15505.9484392281. The cubic root of 240434437 is about 621.8212464906.

Adding to 240434437 its reverse (734434042), we get a palindrome (974868479).

The spelling of 240434437 in words is "two hundred forty million, four hundred thirty-four thousand, four hundred thirty-seven".