Base | Representation |
---|---|
bin | 1000010100001… |
… | …00110110010000 |
3 | 11212020200020021 |
4 | 10022010312100 |
5 | 120324001120 |
6 | 10530553224 |
7 | 1504603144 |
oct | 412046620 |
9 | 155220207 |
10 | 69750160 |
11 | 36410367 |
12 | 1b438814 |
13 | 115b1bac |
14 | 9399224 |
15 | 61cbaaa |
hex | 4284d90 |
69750160 has 40 divisors (see below), whose sum is σ = 163098936. Its totient is φ = 27740160.
The previous prime is 69750157. The next prime is 69750169. The reversal of 69750160 is 6105796.
It can be written as a sum of positive squares in 4 ways, for example, as 4528384 + 65221776 = 2128^2 + 8076^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-3 number, since 3×697501603 (a number of 25 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (69750169) 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, 12072 + ... + 16888.
Almost surely, 269750160 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 69750160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81549468).
69750160 is an abundant number, since it is smaller than the sum of its proper divisors (93348776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69750160 is a wasteful number, since it uses less digits than its factorization.
69750160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5011 (or 5005 counting only the distinct ones).
The product of its (nonzero) digits is 11340, while the sum is 34.
The square root of 69750160 is about 8351.6561231890. The cubic root of 69750160 is about 411.6376302868.
The spelling of 69750160 in words is "sixty-nine million, seven hundred fifty thousand, one hundred sixty".
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