Base | Representation |
---|---|
bin | 1001100010111… |
… | …01001011110001 |
3 | 12120200011010121 |
4 | 10301131023301 |
5 | 130444322312 |
6 | 11540130241 |
7 | 1661420212 |
oct | 461351361 |
9 | 176604117 |
10 | 80073457 |
11 | 41221412 |
12 | 22996981 |
13 | 13787959 |
14 | a8c5409 |
15 | 706a707 |
hex | 4c5d2f1 |
80073457 has 2 divisors, whose sum is σ = 80073458. Its totient is φ = 80073456.
The previous prime is 80073431. The next prime is 80073491. The reversal of 80073457 is 75437008.
It is an a-pointer prime, because the next prime (80073491) can be obtained adding 80073457 to its sum of digits (34).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 75272976 + 4800481 = 8676^2 + 2191^2 .
It is a cyclic number.
It is not a de Polignac number, because 80073457 - 215 = 80040689 is a prime.
It is not a weakly prime, because it can be changed into another prime (80073157) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40036728 + 40036729.
It is an arithmetic number, because the mean of its divisors is an integer number (40036729).
Almost surely, 280073457 is an apocalyptic number.
It is an amenable number.
80073457 is a deficient number, since it is larger than the sum of its proper divisors (1).
80073457 is an equidigital number, since it uses as much as digits as its factorization.
80073457 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 23520, while the sum is 34.
The square root of 80073457 is about 8948.3773389369. The cubic root of 80073457 is about 431.0187795859.
The spelling of 80073457 in words is "eighty million, seventy-three thousand, four hundred fifty-seven".
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