Base | Representation |
---|---|
bin | 111110111111… |
… | …0010111000110 |
3 | 2022010202122000 |
4 | 1331332113012 |
5 | 31423222210 |
6 | 3135450130 |
7 | 550460136 |
oct | 175762706 |
9 | 68122560 |
10 | 33023430 |
11 | 17705aa0 |
12 | b086946 |
13 | 6ac31bb |
14 | 4558ac6 |
15 | 2d74ac0 |
hex | 1f7e5c6 |
33023430 has 64 divisors (see below), whose sum is σ = 96076800. Its totient is φ = 8004960.
The previous prime is 33023413. The next prime is 33023443. The reversal of 33023430 is 3432033.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2590 + ... + 8529.
It is an arithmetic number, because the mean of its divisors is an integer number (1501200).
Almost surely, 233023430 is an apocalyptic number.
33023430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
33023430 is an abundant number, since it is smaller than the sum of its proper divisors (63053370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33023430 is a wasteful number, since it uses less digits than its factorization.
33023430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11146 (or 11140 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 18.
The square root of 33023430 is about 5746.6016044267. The cubic root of 33023430 is about 320.8293266867.
Adding to 33023430 its reverse (3432033), we get a palindrome (36455463).
The spelling of 33023430 in words is "thirty-three million, twenty-three thousand, four hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •