Base | Representation |
---|---|
bin | 1000010101111… |
… | …01000111101110 |
3 | 11212200101102002 |
4 | 10022331013232 |
5 | 120403340104 |
6 | 10535532302 |
7 | 1506553142 |
oct | 412750756 |
9 | 155611362 |
10 | 69980654 |
11 | 36558557 |
12 | 1b52a092 |
13 | 11662a93 |
14 | 9419222 |
15 | 622501e |
hex | 42bd1ee |
69980654 has 8 divisors (see below), whose sum is σ = 108590760. Its totient is φ = 33783736.
The previous prime is 69980639. The next prime is 69980657. The reversal of 69980654 is 45608996.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 69980599 and 69980608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69980657) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603224 + ... + 603339.
It is an arithmetic number, because the mean of its divisors is an integer number (13573845).
Almost surely, 269980654 is an apocalyptic number.
69980654 is a deficient number, since it is larger than the sum of its proper divisors (38610106).
69980654 is a wasteful number, since it uses less digits than its factorization.
69980654 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1206594.
The product of its (nonzero) digits is 466560, while the sum is 47.
The square root of 69980654 is about 8365.4440408146. Note that the first 3 decimals coincide. The cubic root of 69980654 is about 412.0905596325.
The spelling of 69980654 in words is "sixty-nine million, nine hundred eighty thousand, six hundred fifty-four".
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