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13948069 is a prime number
BaseRepresentation
bin110101001101…
…010010100101
3222020122011011
4311031102211
512032314234
61214542221
7226361632
oct65152245
928218134
1013948069
117967433
124807971
132b748c5
141bd1189
151357b64
hexd4d4a5

13948069 has 2 divisors, whose sum is σ = 13948070. Its totient is φ = 13948068.

The previous prime is 13948061. The next prime is 13948087. The reversal of 13948069 is 96084931.

13948069 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., 13068225 + 879844 = 3615^2 + 938^2 .

It is a cyclic number.

It is not a de Polignac number, because 13948069 - 23 = 13948061 is a prime.

It is a super-2 number, since 2×139480692 = 389097257657522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13948061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6974034 + 6974035.

It is an arithmetic number, because the mean of its divisors is an integer number (6974035).

Almost surely, 213948069 is an apocalyptic number.

It is an amenable number.

13948069 is a deficient number, since it is larger than the sum of its proper divisors (1).

13948069 is an equidigital number, since it uses as much as digits as its factorization.

13948069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 13948069 is about 3734.7113676963. The cubic root of 13948069 is about 240.7158545762.

The spelling of 13948069 in words is "thirteen million, nine hundred forty-eight thousand, sixty-nine".