Base | Representation |
---|---|
bin | 1000010100011… |
… | …10011111100100 |
3 | 11212022200102112 |
4 | 10022032133210 |
5 | 120331232133 |
6 | 10531500152 |
7 | 1505126264 |
oct | 412163744 |
9 | 155280375 |
10 | 69789668 |
11 | 36438013 |
12 | 1b457658 |
13 | 115c6b80 |
14 | 93a97a4 |
15 | 61d8648 |
hex | 428e7e4 |
69789668 has 12 divisors (see below), whose sum is σ = 131526780. Its totient is φ = 32210592.
The previous prime is 69789661. The next prime is 69789683. The reversal of 69789668 is 86698796.
It can be written as a sum of positive squares in 2 ways, for example, as 13118884 + 56670784 = 3622^2 + 7528^2 .
It is not an unprimeable number, because it can be changed into a prime (69789661) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671003 + ... + 671106.
It is an arithmetic number, because the mean of its divisors is an integer number (10960565).
Almost surely, 269789668 is an apocalyptic number.
It is an amenable number.
69789668 is a deficient number, since it is larger than the sum of its proper divisors (61737112).
69789668 is a wasteful number, since it uses less digits than its factorization.
69789668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1342126 (or 1342124 counting only the distinct ones).
The product of its digits is 7838208, while the sum is 59.
The square root of 69789668 is about 8354.0210677254. The cubic root of 69789668 is about 411.7153357711.
The spelling of 69789668 in words is "sixty-nine million, seven hundred eighty-nine thousand, six hundred sixty-eight".
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