Base | Representation |
---|---|
bin | 1000001101000… |
… | …01111101110010 |
3 | 11210111110110101 |
4 | 10012201331302 |
5 | 120104231400 |
6 | 10455023014 |
7 | 1463652610 |
oct | 406417562 |
9 | 153443411 |
10 | 68820850 |
11 | 3593613a |
12 | 1b06aa6a |
13 | 11347bc7 |
14 | 91d66b0 |
15 | 609656a |
hex | 41a1f72 |
68820850 has 96 divisors (see below), whose sum is σ = 157132800. Its totient is φ = 21902400.
The previous prime is 68820833. The next prime is 68820877. The reversal of 68820850 is 5802886.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 525285 + ... + 525415.
It is an arithmetic number, because the mean of its divisors is an integer number (1636800).
Almost surely, 268820850 is an apocalyptic number.
68820850 is an abundant number, since it is smaller than the sum of its proper divisors (88311950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68820850 is a wasteful number, since it uses less digits than its factorization.
68820850 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248 (or 243 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 37.
The square root of 68820850 is about 8295.8332914783. The cubic root of 68820850 is about 409.8013116221.
The spelling of 68820850 in words is "sixty-eight million, eight hundred twenty thousand, eight hundred fifty".
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