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13990219 is a prime number
BaseRepresentation
bin110101010111…
…100101001011
3222022202222021
4311113211023
512040141334
61215505311
7226625545
oct65274513
928282867
1013990219
117996071
124828237
132b8ab49
141c02695
1513653b4
hexd5794b

13990219 has 2 divisors, whose sum is σ = 13990220. Its totient is φ = 13990218.

The previous prime is 13990199. The next prime is 13990241. The reversal of 13990219 is 91209931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13990219 - 213 = 13982027 is a prime.

It is a super-2 number, since 2×139902192 = 391452455335922, which contains 22 as substring.

It is equal to p909475 and since 13990219 and 909475 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (13990919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6995109 + 6995110.

It is an arithmetic number, because the mean of its divisors is an integer number (6995110).

Almost surely, 213990219 is an apocalyptic number.

13990219 is a deficient number, since it is larger than the sum of its proper divisors (1).

13990219 is an equidigital number, since it uses as much as digits as its factorization.

13990219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 13990219 is about 3740.3501173019. The cubic root of 13990219 is about 240.9580857188.

The spelling of 13990219 in words is "thirteen million, nine hundred ninety thousand, two hundred nineteen".