Search a number
-
+
942990229 is a prime number
BaseRepresentation
bin111000001101001…
…110001110010101
32102201101212102001
4320031032032111
53412401141404
6233323315301
732240166436
oct7015161625
92381355361
10942990229
11444325575
1222397bb31
131204992ac
148d34b48d
1557bbe7a4
hex3834e395

942990229 has 2 divisors, whose sum is σ = 942990230. Its totient is φ = 942990228.

The previous prime is 942990193. The next prime is 942990233. The reversal of 942990229 is 922099249.

942990229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 779917329 + 163072900 = 27927^2 + 12770^2 .

It is an emirp because it is prime and its reverse (922099249) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 942990229 - 221 = 940893077 is a prime.

It is a super-3 number, since 3×9429902293 (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (942990239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471495114 + 471495115.

It is an arithmetic number, because the mean of its divisors is an integer number (471495115).

Almost surely, 2942990229 is an apocalyptic number.

It is an amenable number.

942990229 is a deficient number, since it is larger than the sum of its proper divisors (1).

942990229 is an equidigital number, since it uses as much as digits as its factorization.

942990229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 942990229 is about 30708.1459713868. The cubic root of 942990229 is about 980.6237279570.

The spelling of 942990229 in words is "nine hundred forty-two million, nine hundred ninety thousand, two hundred twenty-nine".