Base | Representation |
---|---|
bin | 1001000111011… |
… | …01001010110111 |
3 | 12022220000122012 |
4 | 10203231022313 |
5 | 124034001134 |
6 | 11330554435 |
7 | 1615655312 |
oct | 443551267 |
9 | 168800565 |
10 | 76468919 |
11 | 3a18a25a |
12 | 21738a1b |
13 | 12ac50a7 |
14 | a227979 |
15 | 6aa76ce |
hex | 48ed2b7 |
76468919 has 4 divisors (see below), whose sum is σ = 77436960. Its totient is φ = 75500880.
The previous prime is 76468913. The next prime is 76468937. The reversal of 76468919 is 91986467.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91986467 = 19 ⋅4841393.
It is a cyclic number.
It is not a de Polignac number, because 76468919 - 212 = 76464823 is a prime.
It is a super-2 number, since 2×764689192 = 11694991146057122, 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 (76468913) 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, 483902 + ... + 484059.
It is an arithmetic number, because the mean of its divisors is an integer number (19359240).
Almost surely, 276468919 is an apocalyptic number.
76468919 is a gapful number since it is divisible by the number (79) formed by its first and last digit.
76468919 is a deficient number, since it is larger than the sum of its proper divisors (968041).
76468919 is an equidigital number, since it uses as much as digits as its factorization.
76468919 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 968040.
The product of its digits is 653184, while the sum is 50.
The square root of 76468919 is about 8744.6508792518. The cubic root of 76468919 is about 424.4517387072.
The spelling of 76468919 in words is "seventy-six million, four hundred sixty-eight thousand, nine hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •