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3955081 = 13307991
BaseRepresentation
bin1111000101100110001001
321102221100111
433011212021
52003030311
6220434321
745421564
oct17054611
97387314
103955081
112261569
1213a89a1
13a862b0
1474d4db
15531d21
hex3c5989

3955081 has 8 divisors (see below), whose sum is σ = 4277504. Its totient is φ = 3635280.

The previous prime is 3955079. The next prime is 3955087. The reversal of 3955081 is 1805593.

3955081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3955081 - 21 = 3955079 is a prime.

It is a super-2 number, since 2×39550812 = 31285331433122, which contains 22 as substring.

It is a Duffinian number.

3955081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3955087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3496 + ... + 4486.

It is an arithmetic number, because the mean of its divisors is an integer number (534688).

Almost surely, 23955081 is an apocalyptic number.

It is an amenable number.

3955081 is a deficient number, since it is larger than the sum of its proper divisors (322423).

3955081 is a wasteful number, since it uses less digits than its factorization.

3955081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 3955081 is about 1988.7385449073. The cubic root of 3955081 is about 158.1436630630.

It can be divided in two parts, 395 and 5081, that added together give a square (5476 = 742).

The spelling of 3955081 in words is "three million, nine hundred fifty-five thousand, eighty-one".

Divisors: 1 13 307 991 3991 12883 304237 3955081