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354085481 is a prime number
BaseRepresentation
bin10101000110101…
…110101001101001
3220200021101222002
4111012232221221
51211121213411
655045140345
711526451121
oct2506565151
9820241862
10354085481
11171965732
129a6ba6b5
1358486949
1435051c81
152114433b
hex151aea69

354085481 has 2 divisors, whose sum is σ = 354085482. Its totient is φ = 354085480.

The previous prime is 354085477. The next prime is 354085489. The reversal of 354085481 is 184580453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321126400 + 32959081 = 17920^2 + 5741^2 .

It is an emirp because it is prime and its reverse (184580453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354085481 - 22 = 354085477 is a prime.

It is a super-2 number, since 2×3540854812 = 250753055710002722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (354085489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177042740 + 177042741.

It is an arithmetic number, because the mean of its divisors is an integer number (177042741).

Almost surely, 2354085481 is an apocalyptic number.

It is an amenable number.

354085481 is a deficient number, since it is larger than the sum of its proper divisors (1).

354085481 is an equidigital number, since it uses as much as digits as its factorization.

354085481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 354085481 is about 18817.1592170551. The cubic root of 354085481 is about 707.4613303208.

The spelling of 354085481 in words is "three hundred fifty-four million, eighty-five thousand, four hundred eighty-one".