Base | Representation |
---|---|
bin | 1000001111111… |
… | …00001001110101 |
3 | 11211012020012021 |
4 | 10013330021311 |
5 | 120203042021 |
6 | 10510553141 |
7 | 1500051610 |
oct | 407741165 |
9 | 154166167 |
10 | 69190261 |
11 | 36068738 |
12 | 1b2087b1 |
13 | 114470aa |
14 | 9291177 |
15 | 611ac41 |
hex | 41fc275 |
69190261 has 8 divisors (see below), whose sum is σ = 79407360. Its totient is φ = 59056368.
The previous prime is 69190249. The next prime is 69190273. The reversal of 69190261 is 16209196.
It is an interprime number because it is at equal distance from previous prime (69190249) and next prime (69190273).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 69190261 - 27 = 69190133 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 (69190241) 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, 19006 + ... + 22351.
It is an arithmetic number, because the mean of its divisors is an integer number (9925920).
Almost surely, 269190261 is an apocalyptic number.
It is an amenable number.
69190261 is a deficient number, since it is larger than the sum of its proper divisors (10217099).
69190261 is a wasteful number, since it uses less digits than its factorization.
69190261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41603.
The product of its (nonzero) digits is 5832, while the sum is 34.
The square root of 69190261 is about 8318.0683454754. The cubic root of 69190261 is about 410.5332363849.
The spelling of 69190261 in words is "sixty-nine million, one hundred ninety thousand, two hundred sixty-one".
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