Base | Representation |
---|---|
bin | 10010001010010… |
… | …00011111101001 |
3 | 101121122200211011 |
4 | 21011020133221 |
5 | 302444343312 |
6 | 23041103521 |
7 | 3526605163 |
oct | 1105103751 |
9 | 347580734 |
10 | 152340457 |
11 | 78aa0705 |
12 | 43027ba1 |
13 | 2573b2a9 |
14 | 16337933 |
15 | d592da7 |
hex | 91487e9 |
152340457 has 2 divisors, whose sum is σ = 152340458. Its totient is φ = 152340456.
The previous prime is 152340449. The next prime is 152340467. The reversal of 152340457 is 754043251.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 89946256 + 62394201 = 9484^2 + 7899^2 .
It is a cyclic number.
It is not a de Polignac number, because 152340457 - 23 = 152340449 is a prime.
It is a super-2 number, since 2×1523404572 = 46415229677937698, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (152340407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76170228 + 76170229.
It is an arithmetic number, because the mean of its divisors is an integer number (76170229).
Almost surely, 2152340457 is an apocalyptic number.
It is an amenable number.
152340457 is a deficient number, since it is larger than the sum of its proper divisors (1).
152340457 is an equidigital number, since it uses as much as digits as its factorization.
152340457 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16800, while the sum is 31.
The square root of 152340457 is about 12342.6276375819. The cubic root of 152340457 is about 534.0784870163.
The spelling of 152340457 in words is "one hundred fifty-two million, three hundred forty thousand, four hundred fifty-seven".
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