Base | Representation |
---|---|
bin | 1000001111100… |
… | …01010011000100 |
3 | 11211002222012102 |
4 | 10013301103010 |
5 | 120200131141 |
6 | 10510011232 |
7 | 1466505146 |
oct | 407612304 |
9 | 154088172 |
10 | 69145796 |
11 | 36038295 |
12 | 1b1a6b18 |
13 | 1142ca95 |
14 | 927cc96 |
15 | 610c99b |
hex | 41f14c4 |
69145796 has 6 divisors (see below), whose sum is σ = 121005150. Its totient is φ = 34572896.
The previous prime is 69145781. The next prime is 69145799. The reversal of 69145796 is 69754196.
It can be written as a sum of positive squares in only one way, i.e., 46240000 + 22905796 = 6800^2 + 4786^2 .
It is a super-2 number, since 2×691457962 = 9562282208947232, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 69145796.
It is not an unprimeable number, because it can be changed into a prime (69145799) by changing a digit.
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, 8643221 + ... + 8643228.
It is an arithmetic number, because the mean of its divisors is an integer number (20167525).
Almost surely, 269145796 is an apocalyptic number.
It is an amenable number.
69145796 is a deficient number, since it is larger than the sum of its proper divisors (51859354).
69145796 is a wasteful number, since it uses less digits than its factorization.
69145796 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17286453 (or 17286451 counting only the distinct ones).
The product of its digits is 408240, while the sum is 47.
The square root of 69145796 is about 8315.3951198966. The cubic root of 69145796 is about 410.4452747177.
Subtracting 69145796 from its reverse (69754196), we obtain a square (608400 = 7802).
The spelling of 69145796 in words is "sixty-nine million, one hundred forty-five thousand, seven hundred ninety-six".
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