Base | Representation |
---|---|
bin | 1100001101011… |
… | …10000110101000 |
3 | 21010201201200112 |
4 | 12012232012220 |
5 | 202210100000 |
6 | 14055153452 |
7 | 2352412106 |
oct | 606560650 |
9 | 233651615 |
10 | 102425000 |
11 | 528a8467 |
12 | 2a375888 |
13 | 182b2512 |
14 | d862c76 |
15 | 8ed3235 |
hex | 61ae1a8 |
102425000 has 96 divisors (see below), whose sum is σ = 255218040. Its totient is φ = 38400000.
The previous prime is 102424997. The next prime is 102425021. The reversal of 102425000 is 524201.
It can be written as a sum of positive squares in 12 ways, for example, as 20811844 + 81613156 = 4562^2 + 9034^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 424880 + ... + 425120.
Almost surely, 2102425000 is an apocalyptic number.
102425000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 102425000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127609020).
102425000 is an abundant number, since it is smaller than the sum of its proper divisors (152793040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102425000 is an equidigital number, since it uses as much as digits as its factorization.
102425000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 289 (or 265 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 14.
The square root of 102425000 is about 10120.5237018644. The cubic root of 102425000 is about 467.8809081637.
Adding to 102425000 its reverse (524201), we get a palindrome (102949201).
The spelling of 102425000 in words is "one hundred two million, four hundred twenty-five thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •