Base | Representation |
---|---|
bin | 1000010101111… |
… | …11011100100001 |
3 | 11212200212110210 |
4 | 10022333130201 |
5 | 120404141202 |
6 | 10540044333 |
7 | 1506622665 |
oct | 412773441 |
9 | 155625423 |
10 | 69990177 |
11 | 36564724 |
12 | 1b5336a9 |
13 | 1166720a |
14 | 941c8a5 |
15 | 6227c6c |
hex | 42bf721 |
69990177 has 8 divisors (see below), whose sum is σ = 93763360. Its totient is φ = 46438560.
The previous prime is 69990133. The next prime is 69990181. The reversal of 69990177 is 77109996.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 69990177 - 27 = 69990049 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69990187) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54652 + ... + 55917.
It is an arithmetic number, because the mean of its divisors is an integer number (11720420).
Almost surely, 269990177 is an apocalyptic number.
It is an amenable number.
69990177 is a deficient number, since it is larger than the sum of its proper divisors (23773183).
69990177 is a wasteful number, since it uses less digits than its factorization.
69990177 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110783.
The product of its (nonzero) digits is 214326, while the sum is 48.
The square root of 69990177 is about 8366.0132082133. The cubic root of 69990177 is about 412.1092512764.
The spelling of 69990177 in words is "sixty-nine million, nine hundred ninety thousand, one hundred seventy-seven".
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