Base | Representation |
---|---|
bin | 1001001010101… |
… | …11100101111111 |
3 | 12100201011121002 |
4 | 10211113211333 |
5 | 124141423311 |
6 | 11344200515 |
7 | 1622452223 |
oct | 445274577 |
9 | 170634532 |
10 | 76904831 |
11 | 3a457813 |
12 | 2190913b |
13 | 12c18623 |
14 | a2dc783 |
15 | 6b4193b |
hex | 495797f |
76904831 has 8 divisors (see below), whose sum is σ = 81076224. Its totient is φ = 72839160.
The previous prime is 76904827. The next prime is 76904869. The reversal of 76904831 is 13840967.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 76904831 - 22 = 76904827 is a prime.
It is a super-2 number, since 2×769048312 = 11828706062277122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76904881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24935 + ... + 27848.
It is an arithmetic number, because the mean of its divisors is an integer number (10134528).
Almost surely, 276904831 is an apocalyptic number.
76904831 is a deficient number, since it is larger than the sum of its proper divisors (4171393).
76904831 is a wasteful number, since it uses less digits than its factorization.
76904831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52861.
The product of its (nonzero) digits is 36288, while the sum is 38.
The square root of 76904831 is about 8769.5399537262. The cubic root of 76904831 is about 425.2567417573.
It can be divided in two parts, 7690 and 4831, that added together give a palindrome (12521).
The spelling of 76904831 in words is "seventy-six million, nine hundred four thousand, eight hundred thirty-one".
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