Base | Representation |
---|---|
bin | 1001101001110… |
… | …00111001100111 |
3 | 12122100212122101 |
4 | 10310320321213 |
5 | 131212122130 |
6 | 12011312531 |
7 | 2002156045 |
oct | 464707147 |
9 | 178325571 |
10 | 80973415 |
11 | 41786586 |
12 | 2314b747 |
13 | 13a11483 |
14 | aa7b395 |
15 | 71971ca |
hex | 4d38e67 |
80973415 has 4 divisors (see below), whose sum is σ = 97168104. Its totient is φ = 64778728.
The previous prime is 80973407. The next prime is 80973437. The reversal of 80973415 is 51437908.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80973415 - 23 = 80973407 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8097337 + ... + 8097346.
It is an arithmetic number, because the mean of its divisors is an integer number (24292026).
Almost surely, 280973415 is an apocalyptic number.
80973415 is a deficient number, since it is larger than the sum of its proper divisors (16194689).
80973415 is a wasteful number, since it uses less digits than its factorization.
80973415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16194688.
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 80973415 is about 8998.5229343487. The cubic root of 80973415 is about 432.6275298572.
The spelling of 80973415 in words is "eighty million, nine hundred seventy-three thousand, four hundred fifteen".
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