Base | Representation |
---|---|
bin | 1000001101010… |
… | …01000011100100 |
3 | 11210112221022000 |
4 | 10012221003210 |
5 | 120111144032 |
6 | 10455405300 |
7 | 1464133356 |
oct | 406510344 |
9 | 153487260 |
10 | 68849892 |
11 | 35955a41 |
12 | 1b083830 |
13 | 113581a7 |
14 | 92030d6 |
15 | 609ee7c |
hex | 41a90e4 |
68849892 has 24 divisors (see below), whose sum is σ = 178500000. Its totient is φ = 22949928.
The previous prime is 68849887. The next prime is 68849903. The reversal of 68849892 is 29894886.
68849892 is a `hidden beast` number, since 68 + 8 + 498 + 92 = 666.
68849892 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (54).
68849892 is strictly pandigital in base 9.
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, 318642 + ... + 318857.
It is an arithmetic number, because the mean of its divisors is an integer number (7437500).
Almost surely, 268849892 is an apocalyptic number.
It is an amenable number.
68849892 is an abundant number, since it is smaller than the sum of its proper divisors (109650108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68849892 is a wasteful number, since it uses less digits than its factorization.
68849892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 637512 (or 637504 counting only the distinct ones).
The product of its digits is 1990656, while the sum is 54.
The square root of 68849892 is about 8297.5835036473. The cubic root of 68849892 is about 409.8589481086.
The spelling of 68849892 in words is "sixty-eight million, eight hundred forty-nine thousand, eight hundred ninety-two".
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