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3161956 = 227112927
BaseRepresentation
bin1100000011111101100100
312221122101111
430003331210
51302140311
6151434404
735606350
oct14037544
95848344
103161956
11186a696
121085a04
138692a5
145c4460
15426d21
hex303f64

3161956 has 12 divisors (see below), whose sum is σ = 6323968. Its totient is φ = 1355112.

The previous prime is 3161953. The next prime is 3161993. The reversal of 3161956 is 6591613.

3161956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

3161956 is an admirable number.

It is a super-3 number, since 3×31619563 = 94839383334470432448, which contains 333 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3161953) 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 3 ways as a sum of consecutive naturals, for example, 56436 + ... + 56491.

Almost surely, 23161956 is an apocalyptic number.

It is an amenable number.

3161956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3161956 is a wasteful number, since it uses less digits than its factorization.

3161956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112938 (or 112936 counting only the distinct ones).

The product of its digits is 4860, while the sum is 31.

The square root of 3161956 is about 1778.1889663363. The cubic root of 3161956 is about 146.7749498793.

The spelling of 3161956 in words is "three million, one hundred sixty-one thousand, nine hundred fifty-six".

Divisors: 1 2 4 7 14 28 112927 225854 451708 790489 1580978 3161956