Base | Representation |
---|---|
bin | 100110100001… |
… | …1110010110001 |
3 | 1102000022001022 |
4 | 1031003302301 |
5 | 20132410000 |
6 | 2000545225 |
7 | 333462644 |
oct | 115036261 |
9 | 42008038 |
10 | 20200625 |
11 | 10448035 |
12 | 6922215 |
13 | 4253843 |
14 | 297ba5b |
15 | 1b90585 |
hex | 1343cb1 |
20200625 has 10 divisors (see below), whose sum is σ = 25243482. Its totient is φ = 16160000.
The previous prime is 20200619. The next prime is 20200651. The reversal of 20200625 is 52600202.
It can be written as a sum of positive squares in 5 ways, for example, as 9284209 + 10916416 = 3047^2 + 3304^2 .
It is not a de Polignac number, because 20200625 - 212 = 20196529 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15536 + ... + 16785.
Almost surely, 220200625 is an apocalyptic number.
20200625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20200625 is a deficient number, since it is larger than the sum of its proper divisors (5042857).
20200625 is an frugal number, since it uses more digits than its factorization.
20200625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32341 (or 32326 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 20200625 is about 4494.5105406484. The cubic root of 20200625 is about 272.3463769518.
Adding to 20200625 its reverse (52600202), we get a palindrome (72800827).
The spelling of 20200625 in words is "twenty million, two hundred thousand, six hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •