Base | Representation |
---|---|
bin | 1000011100101… |
… | …10110001100000 |
3 | 11221100200022211 |
4 | 10032112301200 |
5 | 121120402120 |
6 | 11011011504 |
7 | 1520255242 |
oct | 416266140 |
9 | 157320284 |
10 | 70872160 |
11 | 37007337 |
12 | 1b899b94 |
13 | 118b57b8 |
14 | 95ac092 |
15 | 634e25a |
hex | 4396c60 |
70872160 has 48 divisors (see below), whose sum is σ = 167983200. Its totient is φ = 28256256.
The previous prime is 70872121. The next prime is 70872161. The reversal of 70872160 is 6127807.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70872161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69736 + ... + 70744.
It is an arithmetic number, because the mean of its divisors is an integer number (3499650).
Almost surely, 270872160 is an apocalyptic number.
It is an amenable number.
70872160 is an abundant number, since it is smaller than the sum of its proper divisors (97111040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70872160 is a wasteful number, since it uses less digits than its factorization.
70872160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1463 (or 1455 counting only the distinct ones).
The product of its (nonzero) digits is 4704, while the sum is 31.
The square root of 70872160 is about 8418.5604470123. The cubic root of 70872160 is about 413.8330988033.
Adding to 70872160 its reverse (6127807), we get a palindrome (76999967).
The spelling of 70872160 in words is "seventy million, eight hundred seventy-two thousand, one hundred sixty".
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