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3045 = 35729
BaseRepresentation
bin101111100101
311011210
4233211
544140
622033
711610
oct5745
94153
103045
112319
121919
131503
141177
15d80
hexbe5

3045 has 16 divisors (see below), whose sum is σ = 5760. Its totient is φ = 1344.

The previous prime is 3041. The next prime is 3049. The reversal of 3045 is 5403.

Adding to 3045 its reverse (5403), we get a palindrome (8448).

It is an interprime number because it is at equal distance from previous prime (3041) and next prime (3049).

It is not a de Polignac number, because 3045 - 22 = 3041 is a prime.

3045 is an undulating number in base 12.

3045 is a modest number, since divided by 45 gives 30 as remainder.

It is a Curzon number.

It is a plaindrome in base 14.

It is a nialpdrome in base 15.

It is a zygodrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 3045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91 + ... + 119.

It is an arithmetic number, because the mean of its divisors is an integer number (360).

3045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3045 is a deficient number, since it is larger than the sum of its proper divisors (2715).

3045 is a wasteful number, since it uses less digits than its factorization.

3045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 3045 is about 55.1815186453. The cubic root of 3045 is about 14.4942505942.

The spelling of 3045 in words is "three thousand, forty-five".

Divisors: 1 3 5 7 15 21 29 35 87 105 145 203 435 609 1015 3045