Base | Representation |
---|---|
bin | 10010111001001… |
… | …10100110010101 |
3 | 102001020021121222 |
4 | 21130212212111 |
5 | 311033234302 |
6 | 23421020125 |
7 | 3633111641 |
oct | 1134464625 |
9 | 361207558 |
10 | 158493077 |
11 | 81513216 |
12 | 450b4645 |
13 | 26ab38b2 |
14 | 17099c21 |
15 | ddaada2 |
hex | 9726995 |
158493077 has 2 divisors, whose sum is σ = 158493078. Its totient is φ = 158493076.
The previous prime is 158493059. The next prime is 158493103. The reversal of 158493077 is 770394851.
158493077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 101324356 + 57168721 = 10066^2 + 7561^2 .
It is a cyclic number.
It is not a de Polignac number, because 158493077 - 226 = 91384213 is a prime.
It is a super-5 number, since 5×1584930775 (a number of 42 digits) contains 55555 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (158493007) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79246538 + 79246539.
It is an arithmetic number, because the mean of its divisors is an integer number (79246539).
Almost surely, 2158493077 is an apocalyptic number.
It is an amenable number.
158493077 is a deficient number, since it is larger than the sum of its proper divisors (1).
158493077 is an equidigital number, since it uses as much as digits as its factorization.
158493077 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 211680, while the sum is 44.
The square root of 158493077 is about 12589.4033615577. The cubic root of 158493077 is about 541.1738035241.
The spelling of 158493077 in words is "one hundred fifty-eight million, four hundred ninety-three thousand, seventy-seven".
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