Base | Representation |
---|---|
bin | 1000011000010… |
… | …11000110110000 |
3 | 11220021121120200 |
4 | 10030023012300 |
5 | 120444100310 |
6 | 10550435200 |
7 | 1512353334 |
oct | 414130660 |
9 | 156247520 |
10 | 70300080 |
11 | 36756544 |
12 | 1b662b00 |
13 | 117452a6 |
14 | 949d7c4 |
15 | 62899c0 |
hex | 430b1b0 |
70300080 has 120 divisors (see below), whose sum is σ = 237641040. Its totient is φ = 18624000.
The previous prime is 70300079. The next prime is 70300099. The reversal of 70300080 is 8000307.
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 180526 + ... + 180914.
It is an arithmetic number, because the mean of its divisors is an integer number (1980342).
Almost surely, 270300080 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 70300080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118820520).
70300080 is an abundant number, since it is smaller than the sum of its proper divisors (167340960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70300080 is a wasteful number, since it uses less digits than its factorization.
70300080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 659 (or 650 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 70300080 is about 8384.5142972029. The cubic root of 70300080 is about 412.7166024962.
Adding to 70300080 its reverse (8000307), we get a palindrome (78300387).
The spelling of 70300080 in words is "seventy million, three hundred thousand, eighty".
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