Search a number
-
+
234081929 is a prime number
BaseRepresentation
bin11011111001111…
…00111010001001
3121022110121001002
431330330322021
5434411110204
635121104345
75541443414
oct1574747211
9538417032
10234081929
11110151244
12664880b5
133965b223
1423134b7b
151583c91e
hexdf3ce89

234081929 has 2 divisors, whose sum is σ = 234081930. Its totient is φ = 234081928.

The previous prime is 234081893. The next prime is 234081979. The reversal of 234081929 is 929180432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218241529 + 15840400 = 14773^2 + 3980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-234081929 is a prime.

It is a super-2 number, since 2×2340819292 = 109588698968722082, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 234081892 and 234081901.

It is not a weakly prime, because it can be changed into another prime (234081979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117040964 + 117040965.

It is an arithmetic number, because the mean of its divisors is an integer number (117040965).

Almost surely, 2234081929 is an apocalyptic number.

It is an amenable number.

234081929 is a deficient number, since it is larger than the sum of its proper divisors (1).

234081929 is an equidigital number, since it uses as much as digits as its factorization.

234081929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 234081929 is about 15299.7362395565. The cubic root of 234081929 is about 616.2959246414.

The spelling of 234081929 in words is "two hundred thirty-four million, eighty-one thousand, nine hundred twenty-nine".