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3025891 = 111391979
BaseRepresentation
bin1011100010101111100011
312200201202001
423202233203
51233312031
6144504431
734501561
oct13425743
95621661
103025891
111787440
12101b117
1381c38b
1458aa31
153eb861
hex2e2be3

3025891 has 8 divisors (see below), whose sum is σ = 3326400. Its totient is φ = 2729640.

The previous prime is 3025871. The next prime is 3025909. The reversal of 3025891 is 1985203.

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 3025891 - 211 = 3023843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3025871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540 + ... + 2518.

It is an arithmetic number, because the mean of its divisors is an integer number (415800).

Almost surely, 23025891 is an apocalyptic number.

3025891 is a deficient number, since it is larger than the sum of its proper divisors (300509).

3025891 is a wasteful number, since it uses less digits than its factorization.

3025891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 3025891 is about 1739.5088387243. The cubic root of 3025891 is about 144.6386722880.

It can be divided in two parts, 3025 and 891, that added together give a triangular number (3916 = T88).

The spelling of 3025891 in words is "three million, twenty-five thousand, eight hundred ninety-one".

Divisors: 1 11 139 1529 1979 21769 275081 3025891