Base | Representation |
---|---|
bin | 1000010110011… |
… | …00110000000000 |
3 | 11212210122020010 |
4 | 10023030300000 |
5 | 120412412142 |
6 | 10541144520 |
7 | 1510240605 |
oct | 413146000 |
9 | 155718203 |
10 | 70044672 |
11 | 365a1665 |
12 | 1b55b140 |
13 | 11685c69 |
14 | 94346ac |
15 | 6238e9c |
hex | 42ccc00 |
70044672 has 66 divisors (see below), whose sum is σ = 187939164. Its totient is φ = 23193600.
The previous prime is 70044671. The next prime is 70044701. The reversal of 70044672 is 27644007.
It is not an unprimeable number, because it can be changed into a prime (70044671) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 463797 + ... + 463947.
Almost surely, 270044672 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 70044672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93969582).
70044672 is an abundant number, since it is smaller than the sum of its proper divisors (117894492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70044672 is an equidigital number, since it uses as much as digits as its factorization.
70044672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 325 (or 156 counting only the distinct ones).
The product of its (nonzero) digits is 9408, while the sum is 30.
The square root of 70044672 is about 8369.2695021728. The cubic root of 70044672 is about 412.2161808890.
Multiplying 70044672 by its product of nonzero digits (9408), we get a square (658980274176 = 8117762).
Adding to 70044672 its reverse (27644007), we get a palindrome (97688679).
The spelling of 70044672 in words is "seventy million, forty-four thousand, six hundred seventy-two".
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