Base | Representation |
---|---|
bin | 1000010101100… |
… | …11000111111100 |
3 | 11212121022020120 |
4 | 10022303013330 |
5 | 120401032313 |
6 | 10535014540 |
7 | 1506322566 |
oct | 412630774 |
9 | 155538216 |
10 | 69939708 |
11 | 3652a813 |
12 | 1b50a450 |
13 | 1164a257 |
14 | 9408336 |
15 | 6217d23 |
hex | 42b31fc |
69939708 has 12 divisors (see below), whose sum is σ = 163192680. Its totient is φ = 23313232.
The previous prime is 69939707. The next prime is 69939761. The reversal of 69939708 is 80793996.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69939707) 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, 2914143 + ... + 2914166.
It is an arithmetic number, because the mean of its divisors is an integer number (13599390).
Almost surely, 269939708 is an apocalyptic number.
It is an amenable number.
69939708 is an abundant number, since it is smaller than the sum of its proper divisors (93252972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69939708 is a wasteful number, since it uses less digits than its factorization.
69939708 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5828316 (or 5828314 counting only the distinct ones).
The product of its (nonzero) digits is 734832, while the sum is 51.
The square root of 69939708 is about 8362.9963529826. The cubic root of 69939708 is about 412.0101719297.
The spelling of 69939708 in words is "sixty-nine million, nine hundred thirty-nine thousand, seven hundred eight".
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