Base | Representation |
---|---|
bin | 1000000111010… |
… | …11110001000101 |
3 | 11202002112202012 |
4 | 10003223301011 |
5 | 114411341230 |
6 | 10431024005 |
7 | 1454424056 |
oct | 403536105 |
9 | 152075665 |
10 | 68074565 |
11 | 35476479 |
12 | 1a96b005 |
13 | 11146310 |
14 | 908072d |
15 | 5e9a395 |
hex | 40ebc45 |
68074565 has 16 divisors (see below), whose sum is σ = 89849088. Its totient is φ = 49198656.
The previous prime is 68074519. The next prime is 68074583. The reversal of 68074565 is 56547086.
It is not a de Polignac number, because 68074565 - 218 = 67812421 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8087 + ... + 14196.
It is an arithmetic number, because the mean of its divisors is an integer number (5615568).
Almost surely, 268074565 is an apocalyptic number.
68074565 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
It is an amenable number.
68074565 is a deficient number, since it is larger than the sum of its proper divisors (21774523).
68074565 is a wasteful number, since it uses less digits than its factorization.
68074565 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22348.
The product of its (nonzero) digits is 201600, while the sum is 41.
The square root of 68074565 is about 8250.7311797198. The cubic root of 68074565 is about 408.3146461900.
The spelling of 68074565 in words is "sixty-eight million, seventy-four thousand, five hundred sixty-five".
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