Base | Representation |
---|---|
bin | 1000010011100… |
… | …01000100001111 |
3 | 11212002120002100 |
4 | 10021301010033 |
5 | 120313403020 |
6 | 10525130143 |
7 | 1504115004 |
oct | 411610417 |
9 | 155076070 |
10 | 69669135 |
11 | 363654a8 |
12 | 1b3b9953 |
13 | 11584053 |
14 | 93778ab |
15 | 61b2a90 |
hex | 427110f |
69669135 has 24 divisors (see below), whose sum is σ = 121571424. Its totient is φ = 36907200.
The previous prime is 69669109. The next prime is 69669151. The reversal of 69669135 is 53196696.
It is not a de Polignac number, because 69669135 - 26 = 69669071 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
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 in 23 ways as a sum of consecutive naturals, for example, 1669 + ... + 11921.
It is an arithmetic number, because the mean of its divisors is an integer number (5065476).
Almost surely, 269669135 is an apocalyptic number.
69669135 is a deficient number, since it is larger than the sum of its proper divisors (51902289).
69669135 is a wasteful number, since it uses less digits than its factorization.
69669135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10415 (or 10412 counting only the distinct ones).
The product of its digits is 262440, while the sum is 45.
The square root of 69669135 is about 8346.8038793301. The cubic root of 69669135 is about 411.4781761144.
The spelling of 69669135 in words is "sixty-nine million, six hundred sixty-nine thousand, one hundred thirty-five".
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