Base | Representation |
---|---|
bin | 1001100101000… |
… | …10101011111001 |
3 | 12121012121122022 |
4 | 10302202223321 |
5 | 131032430022 |
6 | 11550204225 |
7 | 1664014166 |
oct | 462425371 |
9 | 177177568 |
10 | 80358137 |
11 | 413a6292 |
12 | 22ab3675 |
13 | 138573c2 |
14 | a95b06d |
15 | 70c4c42 |
hex | 4ca2af9 |
80358137 has 2 divisors, whose sum is σ = 80358138. Its totient is φ = 80358136.
The previous prime is 80358127. The next prime is 80358143. The reversal of 80358137 is 73185308.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 49266361 + 31091776 = 7019^2 + 5576^2 .
It is a cyclic number.
It is not a de Polignac number, because 80358137 - 28 = 80357881 is a prime.
It is a super-2 number, since 2×803581372 = 12914860364221538, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 80358097 and 80358106.
It is not a weakly prime, because it can be changed into another prime (80358127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40179068 + 40179069.
It is an arithmetic number, because the mean of its divisors is an integer number (40179069).
Almost surely, 280358137 is an apocalyptic number.
It is an amenable number.
80358137 is a deficient number, since it is larger than the sum of its proper divisors (1).
80358137 is an equidigital number, since it uses as much as digits as its factorization.
80358137 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 20160, while the sum is 35.
The square root of 80358137 is about 8964.2700204757. The cubic root of 80358137 is about 431.5289665454.
The spelling of 80358137 in words is "eighty million, three hundred fifty-eight thousand, one hundred thirty-seven".
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