Base | Representation |
---|---|
bin | 100100111101011… |
… | …110000110000001 |
3 | 1121012211000210222 |
4 | 210331132012001 |
5 | 2232221000300 |
6 | 141310432425 |
7 | 21236465501 |
oct | 4475360601 |
9 | 1535730728 |
10 | 620093825 |
11 | 29903273a |
12 | 153802715 |
13 | 9b612930 |
14 | 5c4d7a01 |
15 | 3968b785 |
hex | 24f5e181 |
620093825 has 12 divisors (see below), whose sum is σ = 828064188. Its totient is φ = 457915200.
The previous prime is 620093821. The next prime is 620093839. The reversal of 620093825 is 528390026.
It can be written as a sum of positive squares in 6 ways, for example, as 5400976 + 614692849 = 2324^2 + 24793^2 .
It is not a de Polignac number, because 620093825 - 22 = 620093821 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (620093821) 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, 953666 + ... + 954315.
It is an arithmetic number, because the mean of its divisors is an integer number (69005349).
Almost surely, 2620093825 is an apocalyptic number.
620093825 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
It is an amenable number.
620093825 is a deficient number, since it is larger than the sum of its proper divisors (207970363).
620093825 is a wasteful number, since it uses less digits than its factorization.
620093825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1908004 (or 1907999 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 35.
The square root of 620093825 is about 24901.6831760425. The cubic root of 620093825 is about 852.7449094681.
The spelling of 620093825 in words is "six hundred twenty million, ninety-three thousand, eight hundred twenty-five".
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