Search a number
-
+
234879451 is a prime number
BaseRepresentation
bin11011111111111…
…11100111011011
3121100222010000221
431333333213123
5440112120301
635150140511
75551304512
oct1577774733
9540863027
10234879451
11110646454
12667b1737
133987a231
14232a1679
1515948da1
hexdfff9db

234879451 has 2 divisors, whose sum is σ = 234879452. Its totient is φ = 234879450.

The previous prime is 234879419. The next prime is 234879461. The reversal of 234879451 is 154978432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234879451 - 25 = 234879419 is a prime.

It is a super-2 number, since 2×2348794512 = 110336713004122802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234879398 and 234879407.

It is not a weakly prime, because it can be changed into another prime (234879461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117439725 + 117439726.

It is an arithmetic number, because the mean of its divisors is an integer number (117439726).

Almost surely, 2234879451 is an apocalyptic number.

234879451 is a deficient number, since it is larger than the sum of its proper divisors (1).

234879451 is an equidigital number, since it uses as much as digits as its factorization.

234879451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 234879451 is about 15325.7773375447. Note that the first 3 decimals coincide. The cubic root of 234879451 is about 616.9950422825.

The spelling of 234879451 in words is "two hundred thirty-four million, eight hundred seventy-nine thousand, four hundred fifty-one".