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13919201 is a prime number
BaseRepresentation
bin110101000110…
…001111100001
3222012011112222
4311012033201
512030403301
61214200425
7226211522
oct65061741
928164488
1013919201
11794777a
1247b3115
132b6471a
141bc4849
15134e31b
hexd463e1

13919201 has 2 divisors, whose sum is σ = 13919202. Its totient is φ = 13919200.

The previous prime is 13919197. The next prime is 13919203. The reversal of 13919201 is 10291931.

13919201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12418576 + 1500625 = 3524^2 + 1225^2 .

It is a cyclic number.

It is not a de Polignac number, because 13919201 - 22 = 13919197 is a prime.

Together with 13919203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13919203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6959600 + 6959601.

It is an arithmetic number, because the mean of its divisors is an integer number (6959601).

Almost surely, 213919201 is an apocalyptic number.

It is an amenable number.

13919201 is a deficient number, since it is larger than the sum of its proper divisors (1).

13919201 is an equidigital number, since it uses as much as digits as its factorization.

13919201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 13919201 is about 3730.8445424595. The cubic root of 13919201 is about 240.5496718388.

The spelling of 13919201 in words is "thirteen million, nine hundred nineteen thousand, two hundred one".