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3000945 = 35200063
BaseRepresentation
bin1011011100101001110001
312122110112010
423130221301
51232012240
6144153133
734336053
oct13345161
95573463
103000945
11176a722
1210087a9
13810c0c
145818d3
153e4280
hex2dca71

3000945 has 8 divisors (see below), whose sum is σ = 4801536. Its totient is φ = 1600496.

The previous prime is 3000931. The next prime is 3000947. The reversal of 3000945 is 5490003.

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 3000945 - 24 = 3000929 is a prime.

3000945 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3000947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100017 + ... + 100046.

It is an arithmetic number, because the mean of its divisors is an integer number (600192).

Almost surely, 23000945 is an apocalyptic number.

It is an amenable number.

3000945 is a deficient number, since it is larger than the sum of its proper divisors (1800591).

3000945 is a wasteful number, since it uses less digits than its factorization.

3000945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200071.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 3000945 is about 1732.3235840916. The cubic root of 3000945 is about 144.2400990614.

Adding to 3000945 its reverse (5490003), we get a palindrome (8490948).

The spelling of 3000945 in words is "three million, nine hundred forty-five", and thus it is an aban number.

Divisors: 1 3 5 15 200063 600189 1000315 3000945