Base | Representation |
---|---|
bin | 1001100010111… |
… | …01010010110101 |
3 | 12120200011202100 |
4 | 10301131102311 |
5 | 130444331114 |
6 | 11540132313 |
7 | 1661421426 |
oct | 461352265 |
9 | 176604670 |
10 | 80073909 |
11 | 41221793 |
12 | 22997099 |
13 | 13787c16 |
14 | a8c564d |
15 | 706a909 |
hex | 4c5d4b5 |
80073909 has 12 divisors (see below), whose sum is σ = 115740352. Its totient is φ = 53346600.
The previous prime is 80073887. The next prime is 80073949. The reversal of 80073909 is 90937008.
It is not a de Polignac number, because 80073909 - 27 = 80073781 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 (80073949) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22374 + ... + 25704.
Almost surely, 280073909 is an apocalyptic number.
It is an amenable number.
80073909 is a deficient number, since it is larger than the sum of its proper divisors (35666443).
80073909 is a wasteful number, since it uses less digits than its factorization.
80073909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6008 (or 6005 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 36.
The square root of 80073909 is about 8948.4025948769. The cubic root of 80073909 is about 431.0195905918.
The spelling of 80073909 in words is "eighty million, seventy-three thousand, nine hundred nine".
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