Base | Representation |
---|---|
bin | 1111111110111… |
… | …10000000001111 |
3 | 100100021220002121 |
4 | 13333132000033 |
5 | 233311002404 |
6 | 21145433411 |
7 | 3215435233 |
oct | 777360017 |
9 | 310256077 |
10 | 134078479 |
11 | 69758167 |
12 | 38a9b867 |
13 | 21a15ca2 |
14 | 13b425c3 |
15 | bb86e54 |
hex | 7fde00f |
134078479 has 4 divisors (see below), whose sum is σ = 134103040. Its totient is φ = 134053920.
The previous prime is 134078467. The next prime is 134078489. The reversal of 134078479 is 974870431.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974870431 = 523 ⋅1863997.
It is a cyclic number.
It is not a de Polignac number, because 134078479 - 25 = 134078447 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (134078489) 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 3 ways as a sum of consecutive naturals, for example, 7 + ... + 16375.
It is an arithmetic number, because the mean of its divisors is an integer number (33525760).
Almost surely, 2134078479 is an apocalyptic number.
134078479 is a deficient number, since it is larger than the sum of its proper divisors (24561).
134078479 is an equidigital number, since it uses as much as digits as its factorization.
134078479 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24560.
The product of its (nonzero) digits is 169344, while the sum is 43.
The square root of 134078479 is about 11579.2261831264. The cubic root of 134078479 is about 511.8228744709.
The spelling of 134078479 in words is "one hundred thirty-four million, seventy-eight thousand, four hundred seventy-nine".
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