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14759981 is a prime number
BaseRepresentation
bin111000010011…
…100000101101
31000202212212222
4320103200231
512234304411
61244205125
7236313005
oct70234055
930685788
1014759981
118371435
124b397a5
13309a322
141d63005
1514684db
hexe1382d

14759981 has 2 divisors, whose sum is σ = 14759982. Its totient is φ = 14759980.

The previous prime is 14759963. The next prime is 14760001. The reversal of 14759981 is 18995741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10176100 + 4583881 = 3190^2 + 2141^2 .

It is an emirp because it is prime and its reverse (18995741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14759981 - 222 = 10565677 is a prime.

It is a super-2 number, since 2×147599812 = 435714078240722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14759911) 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, 7379990 + 7379991.

It is an arithmetic number, because the mean of its divisors is an integer number (7379991).

Almost surely, 214759981 is an apocalyptic number.

It is an amenable number.

14759981 is a deficient number, since it is larger than the sum of its proper divisors (1).

14759981 is an equidigital number, since it uses as much as digits as its factorization.

14759981 is an odious number, because the sum of its binary digits is odd.

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

The square root of 14759981 is about 3841.8720697077. The cubic root of 14759981 is about 245.2987110402.

The spelling of 14759981 in words is "fourteen million, seven hundred fifty-nine thousand, nine hundred eighty-one".