Base | Representation |
---|---|
bin | 1001000100111… |
… | …10001111011110 |
3 | 12022021121011112 |
4 | 10202132033132 |
5 | 123443130010 |
6 | 11320022022 |
7 | 1613140631 |
oct | 442361736 |
9 | 168247145 |
10 | 76145630 |
11 | 39a89380 |
12 | 21601912 |
13 | 12a10bb2 |
14 | a181c18 |
15 | 6a41a05 |
hex | 489e3de |
76145630 has 64 divisors (see below), whose sum is σ = 156904128. Its totient is φ = 26357760.
The previous prime is 76145627. The next prime is 76145681. The reversal of 76145630 is 3654167.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215534 + ... + 215886.
It is an arithmetic number, because the mean of its divisors is an integer number (2451627).
Almost surely, 276145630 is an apocalyptic number.
76145630 is an abundant number, since it is smaller than the sum of its proper divisors (80758498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76145630 is a wasteful number, since it uses less digits than its factorization.
76145630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 461.
The product of its (nonzero) digits is 15120, while the sum is 32.
The square root of 76145630 is about 8726.1463430314. The cubic root of 76145630 is about 423.8527397412.
Adding to 76145630 its reverse (3654167), we get a palindrome (79799797).
The spelling of 76145630 in words is "seventy-six million, one hundred forty-five thousand, six hundred thirty".
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