Base | Representation |
---|---|
bin | 1000001100111… |
… | …00101111011111 |
3 | 11210110101002222 |
4 | 10012130233133 |
5 | 120103040310 |
6 | 10454335555 |
7 | 1463533334 |
oct | 406345737 |
9 | 153411088 |
10 | 68799455 |
11 | 3592105a |
12 | 1b05a5bb |
13 | 1133b24a |
14 | 91cc98b |
15 | 6090055 |
hex | 419cbdf |
68799455 has 8 divisors (see below), whose sum is σ = 85406400. Its totient is φ = 53141536.
The previous prime is 68799449. The next prime is 68799469. The reversal of 68799455 is 55499786.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68799455 - 224 = 52022239 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68799397 and 68799406.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237095 + ... + 237384.
It is an arithmetic number, because the mean of its divisors is an integer number (10675800).
Almost surely, 268799455 is an apocalyptic number.
68799455 is a deficient number, since it is larger than the sum of its proper divisors (16606945).
68799455 is a wasteful number, since it uses less digits than its factorization.
68799455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 474513.
The product of its digits is 2721600, while the sum is 53.
The square root of 68799455 is about 8294.5436884738. The cubic root of 68799455 is about 409.7588409281.
The spelling of 68799455 in words is "sixty-eight million, seven hundred ninety-nine thousand, four hundred fifty-five".
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