Base | Representation |
---|---|
bin | 1000001100000… |
… | …11100101011010 |
3 | 11210021010202111 |
4 | 10012003211122 |
5 | 120041241120 |
6 | 10452222534 |
7 | 1462624036 |
oct | 406034532 |
9 | 153233674 |
10 | 68696410 |
11 | 358606a2 |
12 | 1b00aa4a |
13 | 11303383 |
14 | 91a31c6 |
15 | 606e75a |
hex | 418395a |
68696410 has 12 divisors (see below), whose sum is σ = 123700734. Its totient is φ = 27468080.
The previous prime is 68696401. The next prime is 68696417. The reversal of 68696410 is 1469686.
It can be written as a sum of positive squares in 3 ways, for example, as 67848169 + 848241 = 8237^2 + 921^2 .
It is not an unprimeable number, because it can be changed into a prime (68696417) 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 5 ways as a sum of consecutive naturals, for example, 24900 + ... + 27520.
Almost surely, 268696410 is an apocalyptic number.
68696410 is a deficient number, since it is larger than the sum of its proper divisors (55004324).
68696410 is an frugal number, since it uses more digits than its factorization.
68696410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5249 (or 2628 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 40.
The square root of 68696410 is about 8288.3297473013. The cubic root of 68696410 is about 409.5541653844.
Multiplying 68696410 by its sum of digits (40), we get a square (2747856400 = 524202).
The spelling of 68696410 in words is "sixty-eight million, six hundred ninety-six thousand, four hundred ten".
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