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2903040 = 2103457

2903040 has 220 divisors, whose sum is σ = 11888976. Its totient is φ = 663552.

The previous prime is 2903027. The next prime is 2903041. The reversal of 2903040 is 403092.

It is a Jordan-Polya number, since it can be written as 9! ⋅ (2!)3.

2903040 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a compositorial, being equal to the product of composites up to 14.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2903041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 414717 + ... + 414723.

22903040 is an apocalyptic number.

2903040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2903040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5944488).

2903040 is an abundant number, since it is smaller than the sum of its proper divisors (8985936).

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

2903040 is an equidigital number, since it uses as much as digits as its factorization.

2903040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2903040 is about 1703.8309775327. The cubic root of 2903040 is about 142.6541268663.

The spelling of 2903040 in words is "two million, nine hundred three thousand, forty".