Base | Representation |
---|---|
bin | 10010111011100001010 |
3 | 1011111220000 |
4 | 2113130022 |
5 | 124322143 |
6 | 21143430 |
7 | 5162310 |
oct | 2273412 |
9 | 1144800 |
10 | 620298 |
11 | 394048 |
12 | 25ab76 |
13 | 189453 |
14 | 1220b0 |
15 | c3bd3 |
hex | 9770a |
620298 has 40 divisors (see below), whose sum is σ = 1591392. Its totient is φ = 176904.
The previous prime is 620297. The next prime is 620303. The reversal of 620298 is 892026.
620298 is digitally balanced in base 2, 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 (27).
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620298.
It is not an unprimeable number, because it can be changed into a prime (620297) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 861 + ... + 1407.
2620298 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 620298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795696).
620298 is an abundant number, since it is smaller than the sum of its proper divisors (971094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
620298 is a wasteful number, since it uses less digits than its factorization.
620298 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 568 (or 559 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 620298 is about 787.5899948577. The cubic root of 620298 is about 85.2838492127.
The spelling of 620298 in words is "six hundred twenty thousand, two hundred ninety-eight".
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