Base | Representation |
---|---|
bin | 101101000100110… |
… | …111010110010000 |
3 | 1221201000110222021 |
4 | 231010313112100 |
5 | 3022100000000 |
6 | 203013021224 |
7 | 24512006332 |
oct | 5504672620 |
9 | 1851013867 |
10 | 756250000 |
11 | 358979900 |
12 | 191324814 |
13 | c08a550c |
14 | 7261b452 |
15 | 465d411a |
hex | 2d137590 |
756250000 has 135 divisors (see below), whose sum is σ = 2013182563. Its totient is φ = 275000000.
The previous prime is 756249973. The next prime is 756250007. The reversal of 756250000 is 52657.
It is a happy number.
The square root of 756250000 is 27500.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 537683344 + 218566656 = 23188^2 + 14784^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (756250007) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 68749995 + ... + 68750005.
Almost surely, 2756250000 is an apocalyptic number.
756250000 is the 27500-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 756250000
756250000 is an abundant number, since it is smaller than the sum of its proper divisors (1256932563).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
756250000 is an frugal number, since it uses more digits than its factorization.
756250000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70 (or 18 counting only the distinct ones).
The product of its (nonzero) digits is 2100, while the sum is 25.
The cubic root of 756250000 is about 911.0770967979.
Multiplying 756250000 by its sum of digits (25), we get a square (18906250000 = 1375002).
756250000 divided by its sum of digits (25) gives a square (30250000 = 55002).
The spelling of 756250000 in words is "seven hundred fifty-six million, two hundred fifty thousand".
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