Base | Representation |
---|---|
bin | 1000010110010… |
… | …00000001010100 |
3 | 11212202122122122 |
4 | 10023020001110 |
5 | 120411302200 |
6 | 10540515112 |
7 | 1510130252 |
oct | 413100124 |
9 | 155678578 |
10 | 70025300 |
11 | 36589054 |
12 | 1b54ba98 |
13 | 1167a1b7 |
14 | 942b5d2 |
15 | 6233385 |
hex | 42c8054 |
70025300 has 54 divisors (see below), whose sum is σ = 155746542. Its totient is φ = 27327680.
The previous prime is 70025269. The next prime is 70025303. The reversal of 70025300 is 352007.
It can be written as a sum of positive squares in 3 ways, for example, as 35344 + 69989956 = 188^2 + 8366^2 .
It is a super-3 number, since 3×700253003 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70025303) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 220742 + ... + 221058.
Almost surely, 270025300 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70025300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77873271).
70025300 is an abundant number, since it is smaller than the sum of its proper divisors (85721242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70025300 is a wasteful number, since it uses less digits than its factorization.
70025300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 425 (or 371 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 17.
The square root of 70025300 is about 8368.1120929395. The cubic root of 70025300 is about 412.1781756755.
Adding to 70025300 its reverse (352007), we get a palindrome (70377307).
The spelling of 70025300 in words is "seventy million, twenty-five thousand, three hundred".
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