Base | Representation |
---|---|
bin | 101000010101100… |
… | …101011011011100 |
3 | 1202011102022022200 |
4 | 220111211123130 |
5 | 2341221400342 |
6 | 151053011500 |
7 | 22525153146 |
oct | 5025453334 |
9 | 1664368280 |
10 | 676746972 |
11 | 318008020 |
12 | 16a783b90 |
13 | aa28a3c5 |
14 | 65c43c96 |
15 | 3e62c94c |
hex | 285656dc |
676746972 has 72 divisors (see below), whose sum is σ = 1873413360. Its totient is φ = 204280320.
The previous prime is 676746971. The next prime is 676746991. The reversal of 676746972 is 279647676.
It is a happy number.
676746972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×6767469722 = 915972928222337568, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (676746971) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103348 + ... + 109700.
It is an arithmetic number, because the mean of its divisors is an integer number (26019630).
Almost surely, 2676746972 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 676746972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936706680).
676746972 is an abundant number, since it is smaller than the sum of its proper divisors (1196666388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
676746972 is a wasteful number, since it uses less digits than its factorization.
676746972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6643 (or 6638 counting only the distinct ones).
The product of its digits is 5334336, while the sum is 54.
The square root of 676746972 is about 26014.3608800985. The cubic root of 676746972 is about 877.9614365166.
The spelling of 676746972 in words is "six hundred seventy-six million, seven hundred forty-six thousand, nine hundred seventy-two".
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