Base | Representation |
---|---|
bin | 1000111100011… |
… | …10011010100110 |
3 | 12020012000212111 |
4 | 10132032122212 |
5 | 123202012410 |
6 | 11240111234 |
7 | 1600522600 |
oct | 436163246 |
9 | 166160774 |
10 | 75032230 |
11 | 39398909 |
12 | 2116551a |
13 | 12711190 |
14 | 9d72170 |
15 | 68c1b8a |
hex | 478e6a6 |
75032230 has 48 divisors (see below), whose sum is σ = 169207920. Its totient is φ = 23744448.
The previous prime is 75032227. The next prime is 75032261. The reversal of 75032230 is 3223057.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 481 + ... + 12259.
It is an arithmetic number, because the mean of its divisors is an integer number (3525165).
Almost surely, 275032230 is an apocalyptic number.
75032230 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
75032230 is an abundant number, since it is smaller than the sum of its proper divisors (94175690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75032230 is a wasteful number, since it uses less digits than its factorization.
75032230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11813 (or 11806 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 22.
The square root of 75032230 is about 8662.1146378930. The cubic root of 75032230 is about 421.7767325215.
Adding to 75032230 its reverse (3223057), we get a palindrome (78255287).
The spelling of 75032230 in words is "seventy-five million, thirty-two thousand, two hundred thirty".
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