Base | Representation |
---|---|
bin | 1000001010111… |
… | …01010000000011 |
3 | 11202222011101010 |
4 | 10011131100003 |
5 | 120021230040 |
6 | 10445012003 |
7 | 1461401211 |
oct | 405352003 |
9 | 152864333 |
10 | 68539395 |
11 | 35763731 |
12 | 1ab54003 |
13 | 11279a72 |
14 | 9161cb1 |
15 | 603ce80 |
hex | 415d403 |
68539395 has 32 divisors (see below), whose sum is σ = 112803840. Its totient is φ = 35519360.
The previous prime is 68539369. The next prime is 68539399. The reversal of 68539395 is 59393586.
It is not a de Polignac number, because 68539395 - 25 = 68539363 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68539399) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134401 + ... + 134909.
It is an arithmetic number, because the mean of its divisors is an integer number (3525120).
Almost surely, 268539395 is an apocalyptic number.
68539395 is a deficient number, since it is larger than the sum of its proper divisors (44264445).
68539395 is a wasteful number, since it uses less digits than its factorization.
68539395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 755.
The product of its digits is 874800, while the sum is 48.
The square root of 68539395 is about 8278.8522755271. The cubic root of 68539395 is about 409.2418967468.
The spelling of 68539395 in words is "sixty-eight million, five hundred thirty-nine thousand, three hundred ninety-five".
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