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3040 = 25519
BaseRepresentation
bin101111100000
311011121
4233200
544130
622024
711602
oct5740
94147
103040
112314
121914
1314cb
141172
15d7a
hexbe0

3040 has 24 divisors (see below), whose sum is σ = 7560. Its totient is φ = 1152.

The previous prime is 3037. The next prime is 3041. The reversal of 3040 is 403.

Adding to 3040 its reverse (403), we get a palindrome (3443).

3040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 151 + ... + 169.

It is an arithmetic number, because the mean of its divisors is an integer number (315).

23040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3780).

3040 is an abundant number, since it is smaller than the sum of its proper divisors (4520).

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

3040 is a wasteful number, since it uses less digits than its factorization.

3040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 7.

The square root of 3040 is about 55.1361950084. The cubic root of 3040 is about 14.4863128869.

The spelling of 3040 in words is "three thousand, forty", and thus it is an iban number.

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 760 1520 3040