Base | Representation |
---|---|
bin | 1000001010011… |
… | …00100011011111 |
3 | 11202211200120020 |
4 | 10011030203133 |
5 | 120012033012 |
6 | 10443323223 |
7 | 1460664633 |
oct | 405144337 |
9 | 152750506 |
10 | 68471007 |
11 | 35717310 |
12 | 1ab20513 |
13 | 112548b7 |
14 | 9144dc3 |
15 | 6027a8c |
hex | 414c8df |
68471007 has 32 divisors (see below), whose sum is σ = 103462656. Its totient is φ = 39916800.
The previous prime is 68470999. The next prime is 68471009. The reversal of 68471007 is 70017486.
It is not a de Polignac number, because 68471007 - 23 = 68470999 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68471009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103257 + ... + 103917.
It is an arithmetic number, because the mean of its divisors is an integer number (3233208).
Almost surely, 268471007 is an apocalyptic number.
68471007 is a deficient number, since it is larger than the sum of its proper divisors (34991649).
68471007 is a wasteful number, since it uses less digits than its factorization.
68471007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 791.
The product of its (nonzero) digits is 9408, while the sum is 33.
The square root of 68471007 is about 8274.7209620627. The cubic root of 68471007 is about 409.1057388070.
The spelling of 68471007 in words is "sixty-eight million, four hundred seventy-one thousand, seven".
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