Base | Representation |
---|---|
bin | 1000010001010… |
… | …10011111101101 |
3 | 11211112212120111 |
4 | 10020222133231 |
5 | 120230130302 |
6 | 10515020021 |
7 | 1501502164 |
oct | 410523755 |
9 | 154485514 |
10 | 69380077 |
11 | 36188308 |
12 | 1b29a611 |
13 | 114b2600 |
14 | 93003db |
15 | 61570d7 |
hex | 422a7ed |
69380077 has 48 divisors (see below), whose sum is σ = 88542720. Its totient is φ = 53913600.
The previous prime is 69380071. The next prime is 69380081. The reversal of 69380077 is 77008396.
It is a de Polignac number, because none of the positive numbers 2k-69380077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69380071) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1692177 + ... + 1692217.
It is an arithmetic number, because the mean of its divisors is an integer number (1844640).
Almost surely, 269380077 is an apocalyptic number.
It is an amenable number.
69380077 is a deficient number, since it is larger than the sum of its proper divisors (19162643).
69380077 is a wasteful number, since it uses less digits than its factorization.
69380077 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134 (or 121 counting only the distinct ones).
The product of its (nonzero) digits is 63504, while the sum is 40.
The square root of 69380077 is about 8329.4703913274. The cubic root of 69380077 is about 410.9083114497.
The spelling of 69380077 in words is "sixty-nine million, three hundred eighty thousand, seventy-seven".
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