Base | Representation |
---|---|
bin | 1000001001100… |
… | …10110010100111 |
3 | 11202122022210210 |
4 | 10010302302213 |
5 | 120000143404 |
6 | 10441150503 |
7 | 1460045160 |
oct | 404626247 |
9 | 152568723 |
10 | 68365479 |
11 | 35654aa6 |
12 | 1aa8b433 |
13 | 11218860 |
14 | 9118767 |
15 | 6006689 |
hex | 4132ca7 |
68365479 has 16 divisors (see below), whose sum is σ = 112189952. Its totient is φ = 36060768.
The previous prime is 68365471. The next prime is 68365481. The reversal of 68365479 is 97456386.
It is not a de Polignac number, because 68365479 - 23 = 68365471 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68365471) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124939 + ... + 125484.
It is an arithmetic number, because the mean of its divisors is an integer number (7011872).
Almost surely, 268365479 is an apocalyptic number.
68365479 is a deficient number, since it is larger than the sum of its proper divisors (43824473).
68365479 is a wasteful number, since it uses less digits than its factorization.
68365479 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250446.
The product of its digits is 1088640, while the sum is 48.
The square root of 68365479 is about 8268.3419740599. The cubic root of 68365479 is about 408.8954585226.
The spelling of 68365479 in words is "sixty-eight million, three hundred sixty-five thousand, four hundred seventy-nine".
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