Base | Representation |
---|---|
bin | 1000010101111… |
… | …01000100000111 |
3 | 11212200101002112 |
4 | 10022331010013 |
5 | 120403333143 |
6 | 10535531235 |
7 | 1506552362 |
oct | 412750407 |
9 | 155611075 |
10 | 69980423 |
11 | 36558367 |
12 | 1b529b1b |
13 | 11662946 |
14 | 94190d9 |
15 | 6224e18 |
hex | 42bd107 |
69980423 has 8 divisors (see below), whose sum is σ = 72376320. Its totient is φ = 67593240.
The previous prime is 69980411. The next prime is 69980441. The reversal of 69980423 is 32408996.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-69980423 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69980453) 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, 16958 + ... + 20676.
It is an arithmetic number, because the mean of its divisors is an integer number (9047040).
Almost surely, 269980423 is an apocalyptic number.
69980423 is a deficient number, since it is larger than the sum of its proper divisors (2395897).
69980423 is a wasteful number, since it uses less digits than its factorization.
69980423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4357.
The product of its (nonzero) digits is 93312, while the sum is 41.
The square root of 69980423 is about 8365.4302340047. The cubic root of 69980423 is about 412.0901062070.
The spelling of 69980423 in words is "sixty-nine million, nine hundred eighty thousand, four hundred twenty-three".
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