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14851979 is a prime number
BaseRepresentation
bin111000101001…
…111110001011
31000221120002022
4320221332023
512300230404
61250155055
7240145142
oct70517613
930846068
1014851979
11842456a
124b82a8b
13310016c
141d88759
1514858be
hexe29f8b

14851979 has 2 divisors, whose sum is σ = 14851980. Its totient is φ = 14851978.

The previous prime is 14851943. The next prime is 14851987. The reversal of 14851979 is 97915841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14851979 - 28 = 14851723 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14851079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7425989 + 7425990.

It is an arithmetic number, because the mean of its divisors is an integer number (7425990).

Almost surely, 214851979 is an apocalyptic number.

14851979 is a deficient number, since it is larger than the sum of its proper divisors (1).

14851979 is an equidigital number, since it uses as much as digits as its factorization.

14851979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 44.

The square root of 14851979 is about 3853.8265399470. The cubic root of 14851979 is about 245.8072994615.

The spelling of 14851979 in words is "fourteen million, eight hundred fifty-one thousand, nine hundred seventy-nine".