Base | Representation |
---|---|
bin | 1000111110001… |
… | …10100100010110 |
3 | 12020121201101000 |
4 | 10133012210112 |
5 | 123231342410 |
6 | 11245044130 |
7 | 1602501261 |
oct | 437064426 |
9 | 166551330 |
10 | 75262230 |
11 | 3953569a |
12 | 21256646 |
13 | 12791a84 |
14 | 9dd1cd8 |
15 | 6919dc0 |
hex | 47c6916 |
75262230 has 128 divisors (see below), whose sum is σ = 223948800. Its totient is φ = 17874432.
The previous prime is 75262219. The next prime is 75262259. The reversal of 75262230 is 3226257.
75262230 is a `hidden beast` number, since 7 + 5 + 2 + 622 + 30 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 75262194 and 75262203.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86779 + ... + 87641.
It is an arithmetic number, because the mean of its divisors is an integer number (1749600).
Almost surely, 275262230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 75262230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111974400).
75262230 is an abundant number, since it is smaller than the sum of its proper divisors (148686570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75262230 is a wasteful number, since it uses less digits than its factorization.
75262230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 915 (or 909 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The square root of 75262230 is about 8675.3806832899. The cubic root of 75262230 is about 422.2072572669.
Adding to 75262230 its reverse (3226257), we get a palindrome (78488487).
The spelling of 75262230 in words is "seventy-five million, two hundred sixty-two thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •