Base | Representation |
---|---|
bin | 1001000100001… |
… | …10011100001011 |
3 | 12022002122102202 |
4 | 10202012130023 |
5 | 123432020024 |
6 | 11313550415 |
7 | 1612253456 |
oct | 442063413 |
9 | 168078382 |
10 | 76048139 |
11 | 39a22102 |
12 | 2157540b |
13 | 129a86cb |
14 | a15849d |
15 | 6a22bae |
hex | 488670b |
76048139 has 4 divisors (see below), whose sum is σ = 76514856. Its totient is φ = 75581424.
The previous prime is 76048117. The next prime is 76048187. The reversal of 76048139 is 93184067.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93184067 = 193 ⋅482819.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-76048139 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (76048199) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233114 + ... + 233439.
It is an arithmetic number, because the mean of its divisors is an integer number (19128714).
Almost surely, 276048139 is an apocalyptic number.
76048139 is a deficient number, since it is larger than the sum of its proper divisors (466717).
76048139 is a wasteful number, since it uses less digits than its factorization.
76048139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 466716.
The product of its (nonzero) digits is 36288, while the sum is 38.
The square root of 76048139 is about 8720.5584110193. The cubic root of 76048139 is about 423.6717730195.
The spelling of 76048139 in words is "seventy-six million, forty-eight thousand, one hundred thirty-nine".
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