Base | Representation |
---|---|
bin | 1000001100010… |
… | …10000100100111 |
3 | 11210022111012200 |
4 | 10012022010213 |
5 | 120043113413 |
6 | 10452545543 |
7 | 1463064360 |
oct | 406120447 |
9 | 153274180 |
10 | 68722983 |
11 | 3587965a |
12 | 1b0222b3 |
13 | 113124b4 |
14 | 91acb67 |
15 | 6077573 |
hex | 418a127 |
68722983 has 12 divisors (see below), whose sum is σ = 113447568. Its totient is φ = 39270240.
The previous prime is 68722967. The next prime is 68722991. The reversal of 68722983 is 38922786.
It is not a de Polignac number, because 68722983 - 24 = 68722967 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68722903) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 545358 + ... + 545483.
It is an arithmetic number, because the mean of its divisors is an integer number (9453964).
Almost surely, 268722983 is an apocalyptic number.
68722983 is a gapful number since it is divisible by the number (63) formed by its first and last digit.
68722983 is a deficient number, since it is larger than the sum of its proper divisors (44724585).
68722983 is a wasteful number, since it uses less digits than its factorization.
68722983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1090854 (or 1090851 counting only the distinct ones).
The product of its digits is 290304, while the sum is 45.
The square root of 68722983 is about 8289.9326294006. The cubic root of 68722983 is about 409.6069662022.
The spelling of 68722983 in words is "sixty-eight million, seven hundred twenty-two thousand, nine hundred eighty-three".
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