Base | Representation |
---|---|
bin | 1000010110111… |
… | …11111011000110 |
3 | 11212221121221210 |
4 | 10023133323012 |
5 | 120422420311 |
6 | 10542552250 |
7 | 1511015556 |
oct | 413377306 |
9 | 155847853 |
10 | 70123206 |
11 | 3664566a |
12 | 1b598686 |
13 | 116b292a |
14 | 9455166 |
15 | 62523a6 |
hex | 42dfec6 |
70123206 has 16 divisors (see below), whose sum is σ = 140407344. Its totient is φ = 23347584.
The previous prime is 70123117. The next prime is 70123213. The reversal of 70123206 is 60232107.
It is a happy number.
It is a super-3 number, since 3×701232063 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
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, 615 + ... + 11858.
It is an arithmetic number, because the mean of its divisors is an integer number (8775459).
Almost surely, 270123206 is an apocalyptic number.
70123206 is an abundant number, since it is smaller than the sum of its proper divisors (70284138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70123206 is a wasteful number, since it uses less digits than its factorization.
70123206 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13415.
The product of its (nonzero) digits is 504, while the sum is 21.
The square root of 70123206 is about 8373.9599951278. The cubic root of 70123206 is about 412.3701821061.
The spelling of 70123206 in words is "seventy million, one hundred twenty-three thousand, two hundred six".
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