Base | Representation |
---|---|
bin | 1001001010000… |
… | …01001010011100 |
3 | 12100112111120022 |
4 | 10211001022130 |
5 | 124131003311 |
6 | 11342211312 |
7 | 1621620323 |
oct | 445011234 |
9 | 170474508 |
10 | 76812956 |
11 | 3a3a4790 |
12 | 21883b38 |
13 | 12bb586c |
14 | a2b70ba |
15 | 6b245db |
hex | 494129c |
76812956 has 12 divisors (see below), whose sum is σ = 146643000. Its totient is φ = 34914960.
The previous prime is 76812949. The next prime is 76812959. The reversal of 76812956 is 65921867.
It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 1745749 = 76812956 / (7 + 6 + 8 + 1 + 2 + 9 + 5 + 6).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76812959) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872831 + ... + 872918.
It is an arithmetic number, because the mean of its divisors is an integer number (12220250).
Almost surely, 276812956 is an apocalyptic number.
It is an amenable number.
76812956 is a deficient number, since it is larger than the sum of its proper divisors (69830044).
76812956 is a wasteful number, since it uses less digits than its factorization.
76812956 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1745764 (or 1745762 counting only the distinct ones).
The product of its digits is 181440, while the sum is 44.
The square root of 76812956 is about 8764.3000861449. The cubic root of 76812956 is about 425.0873287673.
The spelling of 76812956 in words is "seventy-six million, eight hundred twelve thousand, nine hundred fifty-six".
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