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69416013 = 3971132111
BaseRepresentation
bin1000010001100…
…11010001001101
311211121200212110
410020303101031
5120232303023
610515454233
71502012022
oct410632115
9154550773
1069416013
1136202307
121b2b7379
13114c5a84
14930d549
156162a93
hex423344d

69416013 has 16 divisors (see below), whose sum is σ = 94381056. Its totient is φ = 45373440.

The previous prime is 69416003. The next prime is 69416051. The reversal of 69416013 is 31061496.

It is not a de Polignac number, because 69416013 - 212 = 69411917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69416003) 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 in 15 ways as a sum of consecutive naturals, for example, 31828 + ... + 33938.

It is an arithmetic number, because the mean of its divisors is an integer number (5898816).

Almost surely, 269416013 is an apocalyptic number.

It is an amenable number.

69416013 is a deficient number, since it is larger than the sum of its proper divisors (24965043).

69416013 is a wasteful number, since it uses less digits than its factorization.

69416013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 69416013 is about 8331.6272720280. The cubic root of 69416013 is about 410.9792436875.

The spelling of 69416013 in words is "sixty-nine million, four hundred sixteen thousand, thirteen".

Divisors: 1 3 97 113 291 339 2111 6333 10961 32883 204767 238543 614301 715629 23138671 69416013