Base | Representation |
---|---|
bin | 1000010101111… |
… | …10001101000000 |
3 | 11212200121111022 |
4 | 10022332031000 |
5 | 120404010323 |
6 | 10540005012 |
7 | 1506602105 |
oct | 412761500 |
9 | 155617438 |
10 | 69985088 |
11 | 36560918 |
12 | 1b530768 |
13 | 11664ac4 |
14 | 941aaac |
15 | 62264c8 |
hex | 42be340 |
69985088 has 14 divisors (see below), whose sum is σ = 138876786. Its totient is φ = 34992512.
The previous prime is 69985079. The next prime is 69985099. The reversal of 69985088 is 88058996.
It can be written as a sum of positive squares in only one way, i.e., 66716224 + 3268864 = 8168^2 + 1808^2 .
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 as a sum of consecutive naturals, namely, 546695 + ... + 546822.
Almost surely, 269985088 is an apocalyptic number.
It is an amenable number.
69985088 is a deficient number, since it is larger than the sum of its proper divisors (68891698).
69985088 is a wasteful number, since it uses less digits than its factorization.
69985088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1093529 (or 1093519 counting only the distinct ones).
The product of its (nonzero) digits is 1244160, while the sum is 53.
The square root of 69985088 is about 8365.7090554238. The cubic root of 69985088 is about 412.0992628519.
The spelling of 69985088 in words is "sixty-nine million, nine hundred eighty-five thousand, eighty-eight".
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