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3023280 = 24325131719

3023280 has 240 divisors, whose sum is σ = 12186720. Its totient is φ = 663552.

The previous prime is 3023257. The next prime is 3023303. The reversal of 3023280 is 823203.

Adding to 3023280 its reverse (823203), we get a palindrome (3846483).

It is an interprime number because it is at equal distance from previous prime (3023257) and next prime (3023303).

It is a tau number, because it is divible by the number of its divisors (240).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159111 + ... + 159129.

It is an arithmetic number, because the mean of its divisors is an integer number (50778).

Almost surely, 23023280 is an apocalyptic number.

3023280 is a gapful number since it is divisible by the number (30) 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 3023280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6093360).

3023280 is an abundant number, since it is smaller than the sum of its proper divisors (9163440).

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

3023280 is a wasteful number, since it uses less digits than its factorization.

3023280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3023280 is about 1738.7581775509. The cubic root of 3023280 is about 144.5970580716.

The spelling of 3023280 in words is "three million, twenty-three thousand, two hundred eighty".