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1404212969 is a prime number
BaseRepresentation
bin101001110110010…
…1001011011101001
310121212021102001202
41103230221123221
510333434303334
6351201053545
746540420235
oct12354513351
93555242052
101404212969
11660706a95
123323272b5
13194bc5263
14d46cb5c5
158342817e
hex53b296e9

1404212969 has 2 divisors, whose sum is σ = 1404212970. Its totient is φ = 1404212968.

The previous prime is 1404212947. The next prime is 1404212989. The reversal of 1404212969 is 9692124041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1363086400 + 41126569 = 36920^2 + 6413^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1404212969 is a prime.

It is a super-2 number, since 2×14042129692 = 3943628124615589922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1404212939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702106484 + 702106485.

It is an arithmetic number, because the mean of its divisors is an integer number (702106485).

Almost surely, 21404212969 is an apocalyptic number.

It is an amenable number.

1404212969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404212969 is an equidigital number, since it uses as much as digits as its factorization.

1404212969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1404212969 is about 37472.8297436956. The cubic root of 1404212969 is about 1119.8099616448.

The spelling of 1404212969 in words is "one billion, four hundred four million, two hundred twelve thousand, nine hundred sixty-nine".