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14949581 is a prime number
BaseRepresentation
bin111001000001…
…110011001101
31001010111222012
4321001303031
512311341311
61252231005
7241032533
oct71016315
931114865
1014949581
118490929
12500b465
13313570a
141db2153
1514a478b
hexe41ccd

14949581 has 2 divisors, whose sum is σ = 14949582. Its totient is φ = 14949580.

The previous prime is 14949569. The next prime is 14949601. The reversal of 14949581 is 18594941.

14949581 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., 8649481 + 6300100 = 2941^2 + 2510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14949581 is a prime.

It is a super-2 number, since 2×149495812 = 446979944151122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14942581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7474790 + 7474791.

It is an arithmetic number, because the mean of its divisors is an integer number (7474791).

Almost surely, 214949581 is an apocalyptic number.

It is an amenable number.

14949581 is a deficient number, since it is larger than the sum of its proper divisors (1).

14949581 is an equidigital number, since it uses as much as digits as its factorization.

14949581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 41.

The square root of 14949581 is about 3866.4688024087. The cubic root of 14949581 is about 246.3445773774.

The spelling of 14949581 in words is "fourteen million, nine hundred forty-nine thousand, five hundred eighty-one".