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949242493 is a prime number
BaseRepresentation
bin111000100101000…
…100101001111101
32110011011111220101
4320211010221331
53421001224433
6234105321101
732344266553
oct7045045175
92404144811
10949242493
11447905a31
12225a96191
13121878064
14900d7bd3
155850707d
hex38944a7d

949242493 has 2 divisors, whose sum is σ = 949242494. Its totient is φ = 949242492.

The previous prime is 949242491. The next prime is 949242509. The reversal of 949242493 is 394242949.

949242493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 576096004 + 373146489 = 24002^2 + 19317^2 .

It is an emirp because it is prime and its reverse (394242949) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 949242493 - 21 = 949242491 is a prime.

It is a super-2 number, since 2×9492424932 = 1802122621033710098, which contains 22 as substring.

Together with 949242491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (949242491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474621246 + 474621247.

It is an arithmetic number, because the mean of its divisors is an integer number (474621247).

Almost surely, 2949242493 is an apocalyptic number.

It is an amenable number.

949242493 is a deficient number, since it is larger than the sum of its proper divisors (1).

949242493 is an equidigital number, since it uses as much as digits as its factorization.

949242493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 46.

The square root of 949242493 is about 30809.7791780467. The cubic root of 949242493 is about 982.7862169016.

The spelling of 949242493 in words is "nine hundred forty-nine million, two hundred forty-two thousand, four hundred ninety-three".