Base | Representation |
---|---|
bin | 1001100110010… |
… | …00100101110110 |
3 | 12121111111121201 |
4 | 10303020211312 |
5 | 131102412043 |
6 | 11553403114 |
7 | 1665231640 |
oct | 463104566 |
9 | 177444551 |
10 | 80513398 |
11 | 414a19a9 |
12 | 22b6949a |
13 | 138acc84 |
14 | a99b890 |
15 | 7105c4d |
hex | 4cc8976 |
80513398 has 8 divisors (see below), whose sum is σ = 138022992. Its totient is φ = 34505736.
The previous prime is 80513371. The next prime is 80513399. The reversal of 80513398 is 89331508.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80513399) 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 3 ways as a sum of consecutive naturals, for example, 2875465 + ... + 2875492.
It is an arithmetic number, because the mean of its divisors is an integer number (17252874).
Almost surely, 280513398 is an apocalyptic number.
80513398 is a deficient number, since it is larger than the sum of its proper divisors (57509594).
80513398 is a wasteful number, since it uses less digits than its factorization.
80513398 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5750966.
The product of its (nonzero) digits is 25920, while the sum is 37.
The square root of 80513398 is about 8972.9258327482. The cubic root of 80513398 is about 431.8067086524.
It can be divided in two parts, 8051 and 3398, that added together give a square (11449 = 1072).
The spelling of 80513398 in words is "eighty million, five hundred thirteen thousand, three hundred ninety-eight".
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