Base | Representation |
---|---|
bin | 1000001111111… |
… | …01011000110000 |
3 | 11211012111010100 |
4 | 10013331120300 |
5 | 120203222222 |
6 | 10511032400 |
7 | 1500102414 |
oct | 407753060 |
9 | 154174110 |
10 | 69195312 |
11 | 3607150a |
12 | 1b20b700 |
13 | 11449494 |
14 | 9292d44 |
15 | 611c4ac |
hex | 41fd630 |
69195312 has 60 divisors (see below), whose sum is σ = 195100360. Its totient is φ = 22892544.
The previous prime is 69195311. The next prime is 69195337. The reversal of 69195312 is 21359196.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (69195311) by changing a digit.
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, 18288 + ... + 21744.
Almost surely, 269195312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69195312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97550180).
69195312 is an abundant number, since it is smaller than the sum of its proper divisors (125905048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69195312 is a wasteful number, since it uses less digits than its factorization.
69195312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3610 (or 3601 counting only the distinct ones).
The product of its digits is 14580, while the sum is 36.
The square root of 69195312 is about 8318.3719560981. The cubic root of 69195312 is about 410.5432260033.
The spelling of 69195312 in words is "sixty-nine million, one hundred ninety-five thousand, three hundred twelve".
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