Search a number
-
+
11930729 is a prime number
BaseRepresentation
bin101101100000…
…110001101001
3211110010212212
4231200301221
511023240404
61103414505
7203260316
oct55406151
924403785
1011930729
116809808
123bb4435
132619605
141827d0d
1510aa06e
hexb60c69

11930729 has 2 divisors, whose sum is σ = 11930730. Its totient is φ = 11930728.

The previous prime is 11930707. The next prime is 11930741. The reversal of 11930729 is 92703911.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11888704 + 42025 = 3448^2 + 205^2 .

It is a cyclic number.

It is not a de Polignac number, because 11930729 - 28 = 11930473 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11930695 and 11930704.

It is not a weakly prime, because it can be changed into another prime (11930759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5965364 + 5965365.

It is an arithmetic number, because the mean of its divisors is an integer number (5965365).

Almost surely, 211930729 is an apocalyptic number.

It is an amenable number.

11930729 is a deficient number, since it is larger than the sum of its proper divisors (1).

11930729 is an equidigital number, since it uses as much as digits as its factorization.

11930729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 11930729 is about 3454.0887365556. The cubic root of 11930729 is about 228.5014675581.

The spelling of 11930729 in words is "eleven million, nine hundred thirty thousand, seven hundred twenty-nine".