Base | Representation |
---|---|
bin | 1001100011011… |
… | …00111100110110 |
3 | 12120210102201111 |
4 | 10301230330312 |
5 | 131003404123 |
6 | 11541345234 |
7 | 1662106411 |
oct | 461547466 |
9 | 176712644 |
10 | 80138038 |
11 | 41265992 |
12 | 22a0821a |
13 | 137ab176 |
14 | a900b78 |
15 | 707e90d |
hex | 4c6cf36 |
80138038 has 8 divisors (see below), whose sum is σ = 124084800. Its totient is φ = 38776440.
The previous prime is 80138033. The next prime is 80138053. The reversal of 80138038 is 83083108.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80138033) 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, 646213 + ... + 646336.
It is an arithmetic number, because the mean of its divisors is an integer number (15510600).
Almost surely, 280138038 is an apocalyptic number.
80138038 is a deficient number, since it is larger than the sum of its proper divisors (43946762).
80138038 is a wasteful number, since it uses less digits than its factorization.
80138038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1292582.
The product of its (nonzero) digits is 4608, while the sum is 31.
The square root of 80138038 is about 8951.9851429725. The cubic root of 80138038 is about 431.1346238155.
The spelling of 80138038 in words is "eighty million, one hundred thirty-eight thousand, thirty-eight".
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