Base | Representation |
---|---|
bin | 111111111110… |
… | …0111111110010 |
3 | 2100010010011010 |
4 | 1333330333302 |
5 | 32041322010 |
6 | 3154531350 |
7 | 555050316 |
oct | 177747762 |
9 | 70103133 |
10 | 33542130 |
11 | 17a2a776 |
12 | b296b56 |
13 | 6c4531b |
14 | 4651b46 |
15 | 2e28620 |
hex | 1ffcff2 |
33542130 has 32 divisors (see below), whose sum is σ = 80668224. Its totient is φ = 8926016.
The previous prime is 33542111. The next prime is 33542137. The reversal of 33542130 is 3124533.
It is a super-2 number, since 2×335421302 = 2250148969873800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 33542097 and 33542106.
It is not an unprimeable number, because it can be changed into a prime (33542137) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19672 + ... + 21308.
It is an arithmetic number, because the mean of its divisors is an integer number (2520882).
Almost surely, 233542130 is an apocalyptic number.
33542130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
33542130 is an abundant number, since it is smaller than the sum of its proper divisors (47126094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33542130 is a wasteful number, since it uses less digits than its factorization.
33542130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2330.
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 33542130 is about 5791.5567855284. The cubic root of 33542130 is about 322.5003665641.
Adding to 33542130 its reverse (3124533), we get a palindrome (36666663).
The spelling of 33542130 in words is "thirty-three million, five hundred forty-two thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •