Base | Representation |
---|---|
bin | 111100000011… |
… | …0001111001100 |
3 | 2012020111022200 |
4 | 1320012033030 |
5 | 31024422303 |
6 | 3042441500 |
7 | 531412446 |
oct | 170061714 |
9 | 65214280 |
10 | 31482828 |
11 | 16853573 |
12 | a663290 |
13 | 66a3bc0 |
14 | 4277496 |
15 | 2b6d3a3 |
hex | 1e063cc |
31482828 has 36 divisors (see below), whose sum is σ = 85704528. Its totient is φ = 9686880.
The previous prime is 31482823. The next prime is 31482833. The reversal of 31482828 is 82828413.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (31482823) and next prime (31482833).
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a zygodrome in base 2.
It is a junction number, because it is equal to n+sod(n) for n = 31482792 and 31482801.
It is not an unprimeable number, because it can be changed into a prime (31482821) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33168 + ... + 34103.
Almost surely, 231482828 is an apocalyptic number.
It is an amenable number.
31482828 is an abundant number, since it is smaller than the sum of its proper divisors (54221700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31482828 is a wasteful number, since it uses less digits than its factorization.
31482828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67294 (or 67289 counting only the distinct ones).
The product of its digits is 24576, while the sum is 36.
The square root of 31482828 is about 5610.9560682650. The cubic root of 31482828 is about 315.7605808127.
The spelling of 31482828 in words is "thirty-one million, four hundred eighty-two thousand, eight hundred twenty-eight".
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