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3025689 = 31008563
BaseRepresentation
bin1011100010101100011001
312200201110120
423202230121
51233310224
6144503453
734501152
oct13425431
95621416
103025689
111787277
12101ab89
1381c264
1458a929
153eb779
hex2e2b19

3025689 has 4 divisors (see below), whose sum is σ = 4034256. Its totient is φ = 2017124.

The previous prime is 3025681. The next prime is 3025691. The reversal of 3025689 is 9865203.

It is a happy number.

3025689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3025689 - 23 = 3025681 is a prime.

It is a D-number.

It is a Curzon number.

3025689 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3025681) 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, 504279 + ... + 504284.

It is an arithmetic number, because the mean of its divisors is an integer number (1008564).

Almost surely, 23025689 is an apocalyptic number.

It is an amenable number.

3025689 is a deficient number, since it is larger than the sum of its proper divisors (1008567).

3025689 is a wasteful number, since it uses less digits than its factorization.

3025689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008566.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 3025689 is about 1739.4507753886. The cubic root of 3025689 is about 144.6354536590.

The spelling of 3025689 in words is "three million, twenty-five thousand, six hundred eighty-nine".

Divisors: 1 3 1008563 3025689