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13945033 is a prime number
BaseRepresentation
bin110101001100…
…100011001001
3222020110222201
4311030203021
512032220113
61214520201
7226350034
oct65144311
928213881
1013945033
117965123
124806061
132b733cb
141bd001b
151356cdd
hexd4c8c9

13945033 has 2 divisors, whose sum is σ = 13945034. Its totient is φ = 13945032.

The previous prime is 13945013. The next prime is 13945037. The reversal of 13945033 is 33054931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13017664 + 927369 = 3608^2 + 963^2 .

It is a cyclic number.

It is not a de Polignac number, because 13945033 - 29 = 13944521 is a prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 13944992 and 13945010.

It is not a weakly prime, because it can be changed into another prime (13945037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6972516 + 6972517.

It is an arithmetic number, because the mean of its divisors is an integer number (6972517).

Almost surely, 213945033 is an apocalyptic number.

It is an amenable number.

13945033 is a deficient number, since it is larger than the sum of its proper divisors (1).

13945033 is an equidigital number, since it uses as much as digits as its factorization.

13945033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 13945033 is about 3734.3048884632. The cubic root of 13945033 is about 240.6983882071.

Adding to 13945033 its reverse (33054931), we get a palindrome (46999964).

The spelling of 13945033 in words is "thirteen million, nine hundred forty-five thousand, thirty-three".