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3250780 = 2251312503
BaseRepresentation
bin1100011001101001011100
320010011020021
430121221130
51313011110
6153401524
736426331
oct14315134
96104207
103250780
1119203a5
1211092a4
1389a850
14608988
154432da
hex319a5c

3250780 has 24 divisors (see below), whose sum is σ = 7352352. Its totient is φ = 1200192.

The previous prime is 3250769. The next prime is 3250789. The reversal of 3250780 is 870523.

3250780 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 (3250789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5992 + ... + 6511.

It is an arithmetic number, because the mean of its divisors is an integer number (306348).

Almost surely, 23250780 is an apocalyptic number.

It is an amenable number.

3250780 is an abundant number, since it is smaller than the sum of its proper divisors (4101572).

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

3250780 is a wasteful number, since it uses less digits than its factorization.

3250780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12525 (or 12523 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 3250780 is about 1802.9919578301. The cubic root of 3250780 is about 148.1366524568.

The spelling of 3250780 in words is "three million, two hundred fifty thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 12503 25006 50012 62515 125030 162539 250060 325078 650156 812695 1625390 3250780