Base | Representation |
---|---|
bin | 1001101001100… |
… | …00010111000101 |
3 | 12122022002122220 |
4 | 10310300113011 |
5 | 131210012222 |
6 | 12010442553 |
7 | 2001652056 |
oct | 464602705 |
9 | 178262586 |
10 | 80938437 |
11 | 41762278 |
12 | 23133459 |
13 | 139cb588 |
14 | aa6c72d |
15 | 718bb5c |
hex | 4d305c5 |
80938437 has 8 divisors (see below), whose sum is σ = 108245280. Its totient is φ = 53795280.
The previous prime is 80938433. The next prime is 80938441. The reversal of 80938437 is 73483908.
It is an interprime number because it is at equal distance from previous prime (80938433) and next prime (80938441).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80938437 - 22 = 80938433 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80938433) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39762 + ... + 41747.
It is an arithmetic number, because the mean of its divisors is an integer number (13530660).
Almost surely, 280938437 is an apocalyptic number.
It is an amenable number.
80938437 is a deficient number, since it is larger than the sum of its proper divisors (27306843).
80938437 is a wasteful number, since it uses less digits than its factorization.
80938437 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81843.
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 80938437 is about 8996.5791832229. The cubic root of 80938437 is about 432.5652270007.
The spelling of 80938437 in words is "eighty million, nine hundred thirty-eight thousand, four hundred thirty-seven".
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