Base | Representation |
---|---|
bin | 1000010110011… |
… | …10110001101010 |
3 | 11212211001121110 |
4 | 10023032301222 |
5 | 120413143340 |
6 | 10541251150 |
7 | 1510304031 |
oct | 413166152 |
9 | 155731543 |
10 | 70052970 |
11 | 365a7919 |
12 | 1b563ab6 |
13 | 11689980 |
14 | 9437718 |
15 | 623b680 |
hex | 42cec6a |
70052970 has 32 divisors (see below), whose sum is σ = 181060992. Its totient is φ = 17243712.
The previous prime is 70052959. The next prime is 70053031. The reversal of 70052970 is 7925007.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30).
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 15 ways as a sum of consecutive naturals, for example, 89422 + ... + 90201.
It is an arithmetic number, because the mean of its divisors is an integer number (5658156).
Almost surely, 270052970 is an apocalyptic number.
70052970 is an abundant number, since it is smaller than the sum of its proper divisors (111008022).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70052970 is a wasteful number, since it uses less digits than its factorization.
70052970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179646.
The product of its (nonzero) digits is 4410, while the sum is 30.
The square root of 70052970 is about 8369.7652296824. The cubic root of 70052970 is about 412.2324582860.
Adding to 70052970 its reverse (7925007), we get a palindrome (77977977).
The spelling of 70052970 in words is "seventy million, fifty-two thousand, nine hundred seventy".
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