Search a number
-
+
238462513 is a prime number
BaseRepresentation
bin11100011011010…
…10011000110001
3121121201011001221
432031222120301
5442021300023
635355025041
75623616662
oct1615523061
9547634057
10238462513
11112673463
1267a3b181
133a5330a3
1423955369
1515e0585d
hexe36a631

238462513 has 2 divisors, whose sum is σ = 238462514. Its totient is φ = 238462512.

The previous prime is 238462487. The next prime is 238462531. The reversal of 238462513 is 315264832.

238462513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (238462531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173369889 + 65092624 = 13167^2 + 8068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-238462513 is a prime.

It is not a weakly prime, because it can be changed into another prime (238462573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119231256 + 119231257.

It is an arithmetic number, because the mean of its divisors is an integer number (119231257).

Almost surely, 2238462513 is an apocalyptic number.

It is an amenable number.

238462513 is a deficient number, since it is larger than the sum of its proper divisors (1).

238462513 is an equidigital number, since it uses as much as digits as its factorization.

238462513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 34.

The square root of 238462513 is about 15442.2314773481. The cubic root of 238462513 is about 620.1166213158.

The spelling of 238462513 in words is "two hundred thirty-eight million, four hundred sixty-two thousand, five hundred thirteen".