Base | Representation |
---|---|
bin | 1001001111100… |
… | …00011011010110 |
3 | 12101212222022112 |
4 | 10213300123112 |
5 | 124321441323 |
6 | 11405431022 |
7 | 1631000300 |
oct | 447603326 |
9 | 171788275 |
10 | 77530838 |
11 | 3a845080 |
12 | 21b6b472 |
13 | 130a7548 |
14 | a422970 |
15 | 6c17178 |
hex | 49f06d6 |
77530838 has 96 divisors (see below), whose sum is σ = 159563520. Its totient is φ = 27867840.
The previous prime is 77530823. The next prime is 77530841. The reversal of 77530838 is 83803577.
It is a super-2 number, since 2×775308382 = 12022061681964488, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 77530795 and 77530804.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1314053 + ... + 1314111.
It is an arithmetic number, because the mean of its divisors is an integer number (1662120).
Almost surely, 277530838 is an apocalyptic number.
77530838 is an abundant number, since it is smaller than the sum of its proper divisors (82032682).
77530838 is a wasteful number, since it uses less digits than its factorization.
77530838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162 (or 155 counting only the distinct ones).
The product of its (nonzero) digits is 141120, while the sum is 41.
The square root of 77530838 is about 8805.1597373358. The cubic root of 77530838 is about 426.4074913881.
It can be divided in two parts, 775 and 30838, that added together give a palindrome (31613).
The spelling of 77530838 in words is "seventy-seven million, five hundred thirty thousand, eight hundred thirty-eight".
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