Base | Representation |
---|---|
bin | 1001101001100… |
… | …00000000101101 |
3 | 12122022000200212 |
4 | 10310300000231 |
5 | 131204441010 |
6 | 12010432205 |
7 | 2001644642 |
oct | 464600055 |
9 | 178260625 |
10 | 80937005 |
11 | 41761196 |
12 | 23132665 |
13 | 139caa26 |
14 | aa6bdc9 |
15 | 718b505 |
hex | 4d3002d |
80937005 has 8 divisors (see below), whose sum is σ = 98574432. Its totient is φ = 63782928.
The previous prime is 80936987. The next prime is 80937007. The reversal of 80937005 is 50073908.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80937005 - 214 = 80920621 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 (80937007) 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, 120467 + ... + 121136.
It is an arithmetic number, because the mean of its divisors is an integer number (12321804).
Almost surely, 280937005 is an apocalyptic number.
It is an amenable number.
80937005 is a deficient number, since it is larger than the sum of its proper divisors (17637427).
80937005 is a wasteful number, since it uses less digits than its factorization.
80937005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 241675.
The product of its (nonzero) digits is 7560, while the sum is 32.
The square root of 80937005 is about 8996.4995970655. The cubic root of 80937005 is about 432.5626759381.
The spelling of 80937005 in words is "eighty million, nine hundred thirty-seven thousand, five".
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