Base | Representation |
---|---|
bin | 1000010101110… |
… | …11110001011100 |
3 | 11212200002211120 |
4 | 10022323301130 |
5 | 120403201012 |
6 | 10535450540 |
7 | 1506531063 |
oct | 412736134 |
9 | 155602746 |
10 | 69975132 |
11 | 36554397 |
12 | 1b526a50 |
13 | 11660406 |
14 | 94171da |
15 | 622358c |
hex | 42bbc5c |
69975132 has 12 divisors (see below), whose sum is σ = 163275336. Its totient is φ = 23325040.
The previous prime is 69975127. The next prime is 69975133. The reversal of 69975132 is 23157996.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69975133) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2915619 + ... + 2915642.
It is an arithmetic number, because the mean of its divisors is an integer number (13606278).
Almost surely, 269975132 is an apocalyptic number.
It is an amenable number.
69975132 is an abundant number, since it is smaller than the sum of its proper divisors (93300204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69975132 is a wasteful number, since it uses less digits than its factorization.
69975132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5831268 (or 5831266 counting only the distinct ones).
The product of its digits is 102060, while the sum is 42.
The square root of 69975132 is about 8365.1139860734. The cubic root of 69975132 is about 412.0797203324.
It can be divided in two parts, 69975 and 132, that added together give a palindrome (70107).
The spelling of 69975132 in words is "sixty-nine million, nine hundred seventy-five thousand, one hundred thirty-two".
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