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335668081 = 726850369
BaseRepresentation
bin10100000000011…
…110001101110001
3212101121201001011
4110000132031301
51141412334311
653150310521
711214063100
oct2400361561
9771551034
10335668081
11162526441
12944b8441
1354708988
143281a037
151e707321
hex1401e371

335668081 has 6 divisors (see below), whose sum is σ = 390471090. Its totient is φ = 287715456.

The previous prime is 335668061. The next prime is 335668087. The reversal of 335668081 is 180866533.

It can be written as a sum of positive squares in only one way, i.e., 309197056 + 26471025 = 17584^2 + 5145^2 .

It is not a de Polignac number, because 335668081 - 29 = 335667569 is a prime.

It is a super-2 number, since 2×3356680812 = 225346121204445122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (335668087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3425136 + ... + 3425233.

It is an arithmetic number, because the mean of its divisors is an integer number (65078515).

Almost surely, 2335668081 is an apocalyptic number.

It is an amenable number.

335668081 is a deficient number, since it is larger than the sum of its proper divisors (54803009).

335668081 is an equidigital number, since it uses as much as digits as its factorization.

335668081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6850383 (or 6850376 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 335668081 is about 18321.2467097630. The cubic root of 335668081 is about 694.9763330622.

The spelling of 335668081 in words is "three hundred thirty-five million, six hundred sixty-eight thousand, eighty-one".

Divisors: 1 7 49 6850369 47952583 335668081