Base | Representation |
---|---|
bin | 1000010100001… |
… | …00010101111001 |
3 | 11212020120101120 |
4 | 10022010111321 |
5 | 120323414324 |
6 | 10530535453 |
7 | 1504564125 |
oct | 412042571 |
9 | 155216346 |
10 | 69748089 |
11 | 36409854 |
12 | 1b437589 |
13 | 115b0c78 |
14 | 9398585 |
15 | 61cb179 |
hex | 4284579 |
69748089 has 16 divisors (see below), whose sum is σ = 94910400. Its totient is φ = 45548096.
The previous prime is 69748079. The next prime is 69748099. The reversal of 69748089 is 98084796.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (69748079) and next prime (69748099).
It is a cyclic number.
It is not a de Polignac number, because 69748089 - 27 = 69747961 is a prime.
It is not an unprimeable number, because it can be changed into a prime (69748009) 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 in 15 ways as a sum of consecutive naturals, for example, 68347 + ... + 69359.
It is an arithmetic number, because the mean of its divisors is an integer number (5931900).
Almost surely, 269748089 is an apocalyptic number.
It is an amenable number.
69748089 is a deficient number, since it is larger than the sum of its proper divisors (25162311).
69748089 is a wasteful number, since it uses less digits than its factorization.
69748089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1464.
The product of its (nonzero) digits is 870912, while the sum is 51.
The square root of 69748089 is about 8351.5321348840. The cubic root of 69748089 is about 411.6335561744.
The spelling of 69748089 in words is "sixty-nine million, seven hundred forty-eight thousand, eighty-nine".
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