Base | Representation |
---|---|
bin | 1001100101111… |
… | …01100010101001 |
3 | 12121102012112101 |
4 | 10302331202221 |
5 | 131044440022 |
6 | 11552413401 |
7 | 1664652661 |
oct | 462754251 |
9 | 177365471 |
10 | 80468137 |
11 | 414709a2 |
12 | 22b47261 |
13 | 138954a9 |
14 | a9891a1 |
15 | 70e7627 |
hex | 4cbd8a9 |
80468137 has 2 divisors, whose sum is σ = 80468138. Its totient is φ = 80468136.
The previous prime is 80468071. The next prime is 80468147. The reversal of 80468137 is 73186408.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 51566761 + 28901376 = 7181^2 + 5376^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80468137 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 80468096 and 80468105.
It is not a weakly prime, because it can be changed into another prime (80468147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40234068 + 40234069.
It is an arithmetic number, because the mean of its divisors is an integer number (40234069).
Almost surely, 280468137 is an apocalyptic number.
It is an amenable number.
80468137 is a deficient number, since it is larger than the sum of its proper divisors (1).
80468137 is an equidigital number, since it uses as much as digits as its factorization.
80468137 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32256, while the sum is 37.
The square root of 80468137 is about 8970.4033911525. The cubic root of 80468137 is about 431.7257794021.
The spelling of 80468137 in words is "eighty million, four hundred sixty-eight thousand, one hundred thirty-seven".
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