Base | Representation |
---|---|
bin | 1000010110000… |
… | …11100000110110 |
3 | 11212201201022212 |
4 | 10023003200312 |
5 | 120410204323 |
6 | 10540253422 |
7 | 1510022366 |
oct | 413034066 |
9 | 155651285 |
10 | 70006838 |
11 | 365761a0 |
12 | 1b541272 |
13 | 11671985 |
14 | 94249a6 |
15 | 622cb78 |
hex | 42c3836 |
70006838 has 24 divisors (see below), whose sum is σ = 117350856. Its totient is φ = 31063200.
The previous prime is 70006823. The next prime is 70006883. The reversal of 70006838 is 83860007.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 39818 + ... + 41538.
It is an arithmetic number, because the mean of its divisors is an integer number (4889619).
Almost surely, 270006838 is an apocalyptic number.
70006838 is a deficient number, since it is larger than the sum of its proper divisors (47344018).
70006838 is a wasteful number, since it uses less digits than its factorization.
70006838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1820 (or 1777 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 70006838 is about 8367.0089040230. The cubic root of 70006838 is about 412.1419492339.
The spelling of 70006838 in words is "seventy million, six thousand, eight hundred thirty-eight".
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