Base | Representation |
---|---|
bin | 1001000110100… |
… | …11111001000101 |
3 | 12022200202121110 |
4 | 10203103321011 |
5 | 124022143011 |
6 | 11324435233 |
7 | 1615044411 |
oct | 443237105 |
9 | 168622543 |
10 | 76365381 |
11 | 3a119494 |
12 | 216a8b19 |
13 | 12a89c21 |
14 | a1dbd41 |
15 | 6a86ba6 |
hex | 48d3e45 |
76365381 has 16 divisors (see below), whose sum is σ = 106047360. Its totient is φ = 48820800.
The previous prime is 76365379. The next prime is 76365383. The reversal of 76365381 is 18356367.
It is an interprime number because it is at equal distance from previous prime (76365379) and next prime (76365383).
It is not a de Polignac number, because 76365381 - 21 = 76365379 is a prime.
It is a super-2 number, since 2×763653812 = 11663342830550322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76365383) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10231 + ... + 16043.
It is an arithmetic number, because the mean of its divisors is an integer number (6627960).
Almost surely, 276365381 is an apocalyptic number.
It is an amenable number.
76365381 is a deficient number, since it is larger than the sum of its proper divisors (29681979).
76365381 is a wasteful number, since it uses less digits than its factorization.
76365381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5996.
The product of its digits is 90720, while the sum is 39.
The square root of 76365381 is about 8738.7287977142. The cubic root of 76365381 is about 424.2600846594.
The spelling of 76365381 in words is "seventy-six million, three hundred sixty-five thousand, three hundred eighty-one".
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