Base | Representation |
---|---|
bin | 10101001001111… |
… | …101000101001011 |
3 | 220201212100211022 |
4 | 111021331011023 |
5 | 1211330243034 |
6 | 55115223055 |
7 | 11536602212 |
oct | 2511750513 |
9 | 821770738 |
10 | 354931019 |
11 | 172392a23 |
12 | 9aa47a8b |
13 | 586c1771 |
14 | 351d2079 |
15 | 2125eb2e |
hex | 1527d14b |
354931019 has 2 divisors, whose sum is σ = 354931020. Its totient is φ = 354931018.
The previous prime is 354930977. The next prime is 354931067. The reversal of 354931019 is 910139453.
It is a weak prime.
It is an emirp because it is prime and its reverse (910139453) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 354931019 - 220 = 353882443 is a prime.
It is a super-2 number, since 2×3549310192 = 251952056496756722, which contains 22 as substring.
It is a Sophie Germain prime.
It is a self number, because there is not a number n which added to its sum of digits gives 354931019.
It is not a weakly prime, because it can be changed into another prime (354930019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177465509 + 177465510.
It is an arithmetic number, because the mean of its divisors is an integer number (177465510).
Almost surely, 2354931019 is an apocalyptic number.
354931019 is a deficient number, since it is larger than the sum of its proper divisors (1).
354931019 is an equidigital number, since it uses as much as digits as its factorization.
354931019 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 14580, while the sum is 35.
The square root of 354931019 is about 18839.6130268114. The cubic root of 354931019 is about 708.0240098202.
The spelling of 354931019 in words is "three hundred fifty-four million, nine hundred thirty-one thousand, nineteen".
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