Base | Representation |
---|---|
bin | 1000111110000… |
… | …00000100101110 |
3 | 12020120100212211 |
4 | 10133000010232 |
5 | 123230020010 |
6 | 11244321034 |
7 | 1602330601 |
oct | 437000456 |
9 | 166510784 |
10 | 75235630 |
11 | 39517708 |
12 | 2124317a |
13 | 12782932 |
14 | 9dc6338 |
15 | 691208a |
hex | 47c012e |
75235630 has 32 divisors (see below), whose sum is σ = 143078400. Its totient is φ = 28405152.
The previous prime is 75235609. The next prime is 75235639. The reversal of 75235630 is 3653257.
It is a junction number, because it is equal to n+sod(n) for n = 75235592 and 75235601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75235639) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67659 + ... + 68761.
It is an arithmetic number, because the mean of its divisors is an integer number (4471200).
Almost surely, 275235630 is an apocalyptic number.
75235630 is a deficient number, since it is larger than the sum of its proper divisors (67842770).
75235630 is a wasteful number, since it uses less digits than its factorization.
75235630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1488.
The product of its (nonzero) digits is 18900, while the sum is 31.
The square root of 75235630 is about 8673.8474738722. The cubic root of 75235630 is about 422.1575110378.
Adding to 75235630 its reverse (3653257), we get a palindrome (78888887).
The spelling of 75235630 in words is "seventy-five million, two hundred thirty-five thousand, six hundred thirty".
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