Base | Representation |
---|---|
bin | 10111110101111000010000 |
3 | 102202112101111 |
4 | 113311320100 |
5 | 3100000000 |
6 | 341543104 |
7 | 104060401 |
oct | 27657020 |
9 | 12675344 |
10 | 6250000 |
11 | 3589799 |
12 | 2114a94 |
13 | 13aaa33 |
14 | b899a8 |
15 | 836cba |
hex | 5f5e10 |
6250000 has 45 divisors (see below), whose sum is σ = 15136711. Its totient is φ = 2500000.
The previous prime is 6249989. The next prime is 6250009. The reversal of 6250000 is 526.
The square root of 6250000 is 2500.
It is a perfect power (a square, a biquadrate), and thus also a powerful number.
6250000 is nontrivially palindromic in base 7.
It can be written as a sum of positive squares in 4 ways, for example, as 4443664 + 1806336 = 2108^2 + 1344^2 .
It is a Duffinian number.
It is a nialpdrome in base 5.
It is not an unprimeable number, because it can be changed into a prime (6250009) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1249998 + ... + 1250002.
Almost surely, 26250000 is an apocalyptic number.
6250000 is the 2500-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6250000
6250000 is an abundant number, since it is smaller than the sum of its proper divisors (8886711).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6250000 is an frugal number, since it uses more digits than its factorization.
6250000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48 (or 7 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 13.
The cubic root of 6250000 is about 184.2015749320.
Adding to 6250000 its reverse (526), we get a palindrome (6250526).
The spelling of 6250000 in words is "six million, two hundred fifty thousand".
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