Base | Representation |
---|---|
bin | 1000001010111… |
… | …10011110011010 |
3 | 11202222102020212 |
4 | 10011132132122 |
5 | 120021410120 |
6 | 10445051122 |
7 | 1461421634 |
oct | 405363632 |
9 | 152872225 |
10 | 68544410 |
11 | 35767480 |
12 | 1ab56aa2 |
13 | 1127c12c |
14 | 9163a54 |
15 | 603e6c5 |
hex | 415e79a |
68544410 has 32 divisors (see below), whose sum is σ = 138945024. Its totient is φ = 24120000.
The previous prime is 68544409. The next prime is 68544433. The reversal of 68544410 is 1444586.
It is a super-2 number, since 2×685444102 = 9396672284496200, which contains 22 as substring.
It is a Curzon 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, 6641 + ... + 13460.
It is an arithmetic number, because the mean of its divisors is an integer number (4342032).
Almost surely, 268544410 is an apocalyptic number.
68544410 is an abundant number, since it is smaller than the sum of its proper divisors (70400614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68544410 is a wasteful number, since it uses less digits than its factorization.
68544410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20150.
The product of its (nonzero) digits is 15360, while the sum is 32.
The square root of 68544410 is about 8279.1551501346. The cubic root of 68544410 is about 409.2518778585.
Adding to 68544410 its reverse (1444586), we get a palindrome (69988996).
The spelling of 68544410 in words is "sixty-eight million, five hundred forty-four thousand, four hundred ten".
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