Base | Representation |
---|---|
bin | 1000001111101… |
… | …01100001111000 |
3 | 11211010211222100 |
4 | 10013311201320 |
5 | 120201210003 |
6 | 10510223400 |
7 | 1466606526 |
oct | 407654170 |
9 | 154124870 |
10 | 69163128 |
11 | 3604a311 |
12 | 1b1b4b60 |
13 | 11437938 |
14 | 9285316 |
15 | 6112ba3 |
hex | 41f5878 |
69163128 has 48 divisors (see below), whose sum is σ = 188065800. Its totient is φ = 22962240.
The previous prime is 69163117. The next prime is 69163141. The reversal of 69163128 is 82136196.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 69163092 and 69163101.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17583 + ... + 21153.
Almost surely, 269163128 is an apocalyptic number.
It is an amenable number.
69163128 is an abundant number, since it is smaller than the sum of its proper divisors (118902672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69163128 is a wasteful number, since it uses less digits than its factorization.
69163128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3852 (or 3845 counting only the distinct ones).
The product of its digits is 15552, while the sum is 36.
The square root of 69163128 is about 8316.4372179438. The cubic root of 69163128 is about 410.4795657550.
The spelling of 69163128 in words is "sixty-nine million, one hundred sixty-three thousand, one hundred twenty-eight".
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