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334051985 = 566810397
BaseRepresentation
bin10011111010010…
…011101010010001
3212021120121011202
4103322103222101
51141004130420
653051520545
711164252331
oct2372235221
9767517152
10334051985
11161622223
1293a59155
13542911c7
14325190c1
151e4d8575
hex13e93a91

334051985 has 4 divisors (see below), whose sum is σ = 400862388. Its totient is φ = 267241584.

The previous prime is 334051961. The next prime is 334051987. The reversal of 334051985 is 589150433.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589150433 = 929634177.

It can be written as a sum of positive squares in 2 ways, for example, as 140730769 + 193321216 = 11863^2 + 13904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-334051985 is a prime.

It is a super-2 number, since 2×3340519852 = 223181457364880450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (334051987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33405194 + ... + 33405203.

It is an arithmetic number, because the mean of its divisors is an integer number (100215597).

Almost surely, 2334051985 is an apocalyptic number.

It is an amenable number.

334051985 is a deficient number, since it is larger than the sum of its proper divisors (66810403).

334051985 is an equidigital number, since it uses as much as digits as its factorization.

334051985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66810402.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 334051985 is about 18277.0890734821. The cubic root of 334051985 is about 693.8592019208.

The spelling of 334051985 in words is "three hundred thirty-four million, fifty-one thousand, nine hundred eighty-five".

Divisors: 1 5 66810397 334051985