Base | Representation |
---|---|
bin | 1000010111111… |
… | …01011111101010 |
3 | 11220011210002212 |
4 | 10023331133222 |
5 | 120440304310 |
6 | 10545325122 |
7 | 1512031652 |
oct | 413753752 |
9 | 156153085 |
10 | 70244330 |
11 | 36718672 |
12 | 1b6367a2 |
13 | 11725ac0 |
14 | 9487362 |
15 | 6278205 |
hex | 42fd7ea |
70244330 has 32 divisors (see below), whose sum is σ = 143337600. Its totient is φ = 24570432.
The previous prime is 70244329. The next prime is 70244333. The reversal of 70244330 is 3344207.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 70244296 and 70244305.
It is not an unprimeable number, because it can be changed into a prime (70244333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11750 + ... + 16689.
It is an arithmetic number, because the mean of its divisors is an integer number (4479300).
Almost surely, 270244330 is an apocalyptic number.
70244330 is an abundant number, since it is smaller than the sum of its proper divisors (73093270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70244330 is a wasteful number, since it uses less digits than its factorization.
70244330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28478.
The product of its (nonzero) digits is 2016, while the sum is 23.
The square root of 70244330 is about 8381.1890564526. The cubic root of 70244330 is about 412.6074749034.
Adding to 70244330 its reverse (3344207), we get a palindrome (73588537).
The spelling of 70244330 in words is "seventy million, two hundred forty-four thousand, three hundred thirty".
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