Base | Representation |
---|---|
bin | 10010011000000… |
… | …11111111101001 |
3 | 101202001222200202 |
4 | 21030003333221 |
5 | 303431011113 |
6 | 23144041545 |
7 | 3551212262 |
oct | 1114037751 |
9 | 352058622 |
10 | 154157033 |
11 | 7a021508 |
12 | 437632b5 |
13 | 25c260a4 |
14 | 1668b969 |
15 | d801258 |
hex | 9303fe9 |
154157033 has 2 divisors, whose sum is σ = 154157034. Its totient is φ = 154157032.
The previous prime is 154156997. The next prime is 154157041. The reversal of 154157033 is 330751451.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 153834409 + 322624 = 12403^2 + 568^2 .
It is an emirp because it is prime and its reverse (330751451) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 154157033 - 28 = 154156777 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 154156987 and 154157005.
It is not a weakly prime, because it can be changed into another prime (154157053) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77078516 + 77078517.
It is an arithmetic number, because the mean of its divisors is an integer number (77078517).
Almost surely, 2154157033 is an apocalyptic number.
It is an amenable number.
154157033 is a deficient number, since it is larger than the sum of its proper divisors (1).
154157033 is an equidigital number, since it uses as much as digits as its factorization.
154157033 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6300, while the sum is 29.
The square root of 154157033 is about 12415.9990737757. Note that the first 3 decimals coincide. The cubic root of 154157033 is about 536.1929683625.
The spelling of 154157033 in words is "one hundred fifty-four million, one hundred fifty-seven thousand, thirty-three".
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