Search a number
-
+
942223901 is a prime number
BaseRepresentation
bin111000001010010…
…011001000011101
32102122221221012112
4320022103020131
53412202131101
6233255043405
732230525313
oct7012231035
92378857175
10942223901
11443951843
12223670565
1312028b548
148d1cc0b3
1557abc6bb
hex3829321d

942223901 has 2 divisors, whose sum is σ = 942223902. Its totient is φ = 942223900.

The previous prime is 942223859. The next prime is 942223903. The reversal of 942223901 is 109322249.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 928725625 + 13498276 = 30475^2 + 3674^2 .

It is a cyclic number.

It is not a de Polignac number, because 942223901 - 210 = 942222877 is a prime.

Together with 942223903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (942223903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471111950 + 471111951.

It is an arithmetic number, because the mean of its divisors is an integer number (471111951).

Almost surely, 2942223901 is an apocalyptic number.

It is an amenable number.

942223901 is a deficient number, since it is larger than the sum of its proper divisors (1).

942223901 is an equidigital number, since it uses as much as digits as its factorization.

942223901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 942223901 is about 30695.6658341206. The cubic root of 942223901 is about 980.3580189199.

The spelling of 942223901 in words is "nine hundred forty-two million, two hundred twenty-three thousand, nine hundred one".