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14943949 is a prime number
BaseRepresentation
bin111001000000…
…011011001101
31001010020020121
4321000123031
512311201244
61252144541
7241010236
oct71003315
931106217
1014943949
118487679
125008151
133132c97
141db008d
1514a2c84
hexe406cd

14943949 has 2 divisors, whose sum is σ = 14943950. Its totient is φ = 14943948.

The previous prime is 14943947. The next prime is 14943983. The reversal of 14943949 is 94934941.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8743849 + 6200100 = 2957^2 + 2490^2 .

It is an emirp because it is prime and its reverse (94934941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14943949 - 21 = 14943947 is a prime.

It is a super-2 number, since 2×149439492 = 446643223429202, which contains 22 as substring.

Together with 14943947, 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 (14943947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7471974 + 7471975.

It is an arithmetic number, because the mean of its divisors is an integer number (7471975).

Almost surely, 214943949 is an apocalyptic number.

It is an amenable number.

14943949 is a deficient number, since it is larger than the sum of its proper divisors (1).

14943949 is an equidigital number, since it uses as much as digits as its factorization.

14943949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 14943949 is about 3865.7404206698. The cubic root of 14943949 is about 246.3136381173.

The spelling of 14943949 in words is "fourteen million, nine hundred forty-three thousand, nine hundred forty-nine".