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944542631 is a prime number
BaseRepresentation
bin111000010011001…
…001001110100111
32102211022201220102
4320103021032213
53413300331011
6233420454315
732256323414
oct7023111647
92384281812
10944542631
1144519594a
122243aa39b
131208c0a86
148d63310b
1557dc973b
hex384c93a7

944542631 has 2 divisors, whose sum is σ = 944542632. Its totient is φ = 944542630.

The previous prime is 944542609. The next prime is 944542637. The reversal of 944542631 is 136245449.

944542631 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 is an emirp because it is prime and its reverse (136245449) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 944542631 - 26 = 944542567 is a prime.

It is a super-2 number, since 2×9445426312 = 1784321563552804322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (944542637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472271315 + 472271316.

It is an arithmetic number, because the mean of its divisors is an integer number (472271316).

Almost surely, 2944542631 is an apocalyptic number.

944542631 is a deficient number, since it is larger than the sum of its proper divisors (1).

944542631 is an equidigital number, since it uses as much as digits as its factorization.

944542631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

The square root of 944542631 is about 30733.4122902095. The cubic root of 944542631 is about 981.1615517069.

The spelling of 944542631 in words is "nine hundred forty-four million, five hundred forty-two thousand, six hundred thirty-one".