Base | Representation |
---|---|
bin | 100100111101001… |
… | …001101000010000 |
3 | 1121012122202211100 |
4 | 210331021220100 |
5 | 2232210310000 |
6 | 141304544400 |
7 | 21235666221 |
oct | 4475115020 |
9 | 1535582740 |
10 | 620010000 |
11 | 298a85765 |
12 | 153782100 |
13 | 9b5b372c |
14 | 5c4b5248 |
15 | 39671a00 |
hex | 24f49a10 |
620010000 has 225 divisors, whose sum is σ = 2194702939. Its totient is φ = 163344000.
The previous prime is 620009993. The next prime is 620010007. The reversal of 620010000 is 10026.
The square root of 620010000 is 24900.
It is a perfect power (a square), and thus also a powerful number.
It is an interprime number because it is at equal distance from previous prime (620009993) and next prime (620010007).
It can be written as a sum of positive squares in 2 ways, for example, as 48608784 + 571401216 = 6972^2 + 23904^2 .
It is a tau number, because it is divible by the number of its divisors (225).
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (620010007) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 7469959 + ... + 7470041.
Almost surely, 2620010000 is an apocalyptic number.
620010000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
620010000 is the 24900-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 620010000
620010000 is an abundant number, since it is smaller than the sum of its proper divisors (1574692939).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
620010000 is an equidigital number, since it uses as much as digits as its factorization.
620010000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 200 (or 93 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The cubic root of 620010000 is about 852.7064827223.
Adding to 620010000 its reverse (10026), we get a palindrome (620020026).
The spelling of 620010000 in words is "six hundred twenty million, ten thousand".
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