Base | Representation |
---|---|
bin | 1000001100001… |
… | …11000011100101 |
3 | 11210021212021010 |
4 | 10012013003211 |
5 | 120042220004 |
6 | 10452412433 |
7 | 1463013351 |
oct | 406070345 |
9 | 153255233 |
10 | 68710629 |
11 | 35870349 |
12 | 1b017119 |
13 | 113099a0 |
14 | 91a8461 |
15 | 6073a89 |
hex | 41870e5 |
68710629 has 32 divisors (see below), whose sum is σ = 102340224. Its totient is φ = 40734720.
The previous prime is 68710627. The next prime is 68710639. The reversal of 68710629 is 92601786.
It is not a de Polignac number, because 68710629 - 21 = 68710627 is a prime.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68710627) 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 31 ways as a sum of consecutive naturals, for example, 154882 + ... + 155324.
It is an arithmetic number, because the mean of its divisors is an integer number (3198132).
Almost surely, 268710629 is an apocalyptic number.
It is an amenable number.
68710629 is a deficient number, since it is larger than the sum of its proper divisors (33629595).
68710629 is a wasteful number, since it uses less digits than its factorization.
68710629 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 597.
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 68710629 is about 8289.1874752596. The cubic root of 68710629 is about 409.5824203735.
The spelling of 68710629 in words is "sixty-eight million, seven hundred ten thousand, six hundred twenty-nine".
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