Base | Representation |
---|---|
bin | 1000010111110… |
… | …01010011100010 |
3 | 11220010220120022 |
4 | 10023321103202 |
5 | 120434232140 |
6 | 10545113442 |
7 | 1511630636 |
oct | 413712342 |
9 | 156126508 |
10 | 70227170 |
11 | 36706792 |
12 | 1b628882 |
13 | 1171b050 |
14 | 9480dc6 |
15 | 62730b5 |
hex | 42f94e2 |
70227170 has 64 divisors (see below), whose sum is σ = 147692160. Its totient is φ = 23804928.
The previous prime is 70227163. The next prime is 70227181. The reversal of 70227170 is 7172207.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94661 + ... + 95399.
It is an arithmetic number, because the mean of its divisors is an integer number (2307690).
Almost surely, 270227170 is an apocalyptic number.
70227170 is an abundant number, since it is smaller than the sum of its proper divisors (77464990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70227170 is a wasteful number, since it uses less digits than its factorization.
70227170 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 819.
The product of its (nonzero) digits is 1372, while the sum is 26.
The square root of 70227170 is about 8380.1652728332. The cubic root of 70227170 is about 412.5738735157.
Adding to 70227170 its reverse (7172207), we get a palindrome (77399377).
It can be divided in two parts, 702 and 27170, that added together give a palindrome (27872).
The spelling of 70227170 in words is "seventy million, two hundred twenty-seven thousand, one hundred seventy".
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