Base | Representation |
---|---|
bin | 100101011110001… |
… | …100100011111000 |
3 | 1121210221212220022 |
4 | 211132030203320 |
5 | 2241420012020 |
6 | 142214350012 |
7 | 21402426122 |
oct | 4536144370 |
9 | 1553855808 |
10 | 628672760 |
11 | 2a2962171 |
12 | 15665b308 |
13 | a0327721 |
14 | 5d6cc212 |
15 | 3a2d3625 |
hex | 2578c8f8 |
628672760 has 64 divisors (see below), whose sum is σ = 1502820000. Its totient is φ = 236017152.
The previous prime is 628672753. The next prime is 628672763. The reversal of 628672760 is 67276826.
628672760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (628672763) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79046 + ... + 86634.
Almost surely, 2628672760 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 628672760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751410000).
628672760 is an abundant number, since it is smaller than the sum of its proper divisors (874147240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
628672760 is a wasteful number, since it uses less digits than its factorization.
628672760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7728 (or 7724 counting only the distinct ones).
The product of its (nonzero) digits is 338688, while the sum is 44.
The square root of 628672760 is about 25073.3476025839. The cubic root of 628672760 is about 856.6594584895.
The spelling of 628672760 in words is "six hundred twenty-eight million, six hundred seventy-two thousand, seven hundred sixty".
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