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14191937 is a prime number
BaseRepresentation
bin110110001000…
…110101000001
3222201000200022
4312020311001
512113120222
61224103225
7231425624
oct66106501
928630608
1014191937
118013681
124904b15
132c2b8c6
141c55dbb
1513a5042
hexd88d41

14191937 has 2 divisors, whose sum is σ = 14191938. Its totient is φ = 14191936.

The previous prime is 14191927. The next prime is 14191939. The reversal of 14191937 is 73919141.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13868176 + 323761 = 3724^2 + 569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14191937 is a prime.

It is a super-2 number, since 2×141919372 = 402822151623938, which contains 22 as substring.

Together with 14191939, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 14191897 and 14191906.

It is not a weakly prime, because it can be changed into another prime (14191939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7095968 + 7095969.

It is an arithmetic number, because the mean of its divisors is an integer number (7095969).

Almost surely, 214191937 is an apocalyptic number.

It is an amenable number.

14191937 is a deficient number, since it is larger than the sum of its proper divisors (1).

14191937 is an equidigital number, since it uses as much as digits as its factorization.

14191937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 35.

The square root of 14191937 is about 3767.2187353537. The cubic root of 14191937 is about 242.1106488065.

The spelling of 14191937 in words is "fourteen million, one hundred ninety-one thousand, nine hundred thirty-seven".