Base | Representation |
---|---|
bin | 1000010110001… |
… | …10010010010000 |
3 | 11212202021220101 |
4 | 10023012102100 |
5 | 120411040232 |
6 | 10540422144 |
7 | 1510100446 |
oct | 413062220 |
9 | 155667811 |
10 | 70018192 |
11 | 36583782 |
12 | 1b547954 |
13 | 11676baa |
14 | 9428b96 |
15 | 62311e7 |
hex | 42c6490 |
70018192 has 40 divisors (see below), whose sum is σ = 143914400. Its totient is φ = 32908032.
The previous prime is 70018159. The next prime is 70018217. The reversal of 70018192 is 29181007.
It is a self number, because there is not a number n which added to its sum of digits gives 70018192.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41428 + ... + 43084.
It is an arithmetic number, because the mean of its divisors is an integer number (3597860).
Almost surely, 270018192 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 70018192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71957200).
70018192 is an abundant number, since it is smaller than the sum of its proper divisors (73896208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70018192 is a wasteful number, since it uses less digits than its factorization.
70018192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1823 (or 1817 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 28.
The square root of 70018192 is about 8367.6873746573. The cubic root of 70018192 is about 412.1642289943.
Adding to 70018192 its reverse (29181007), we get a palindrome (99199199).
The spelling of 70018192 in words is "seventy million, eighteen thousand, one hundred ninety-two".
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