Base | Representation |
---|---|
bin | 1001101001110… |
… | …01001110101001 |
3 | 12122100221111020 |
4 | 10310321032221 |
5 | 131212143021 |
6 | 12011323053 |
7 | 2002163010 |
oct | 464711651 |
9 | 178327436 |
10 | 80974761 |
11 | 4178759a |
12 | 23150489 |
13 | 13a11c7a |
14 | aa7ba77 |
15 | 71977c6 |
hex | 4d393a9 |
80974761 has 16 divisors (see below), whose sum is σ = 123516288. Its totient is φ = 46224000.
The previous prime is 80974753. The next prime is 80974787. The reversal of 80974761 is 16747908.
It is not a de Polignac number, because 80974761 - 23 = 80974753 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (80974721) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36751 + ... + 38891.
It is an arithmetic number, because the mean of its divisors is an integer number (7719768).
Almost surely, 280974761 is an apocalyptic number.
It is an amenable number.
80974761 is a deficient number, since it is larger than the sum of its proper divisors (42541527).
80974761 is a wasteful number, since it uses less digits than its factorization.
80974761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3952.
The product of its (nonzero) digits is 84672, while the sum is 42.
The square root of 80974761 is about 8998.5977240901. The cubic root of 80974761 is about 432.6299269955.
The spelling of 80974761 in words is "eighty million, nine hundred seventy-four thousand, seven hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •