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5500780 = 225275039
BaseRepresentation
bin10100111110111101101100
3101100110122121
4110332331230
52402011110
6313522324
764520155
oct24767554
911313577
105500780
1131178aa
121a133a4
1311a79cc
14a3292c
15739cda
hex53ef6c

5500780 has 12 divisors (see below), whose sum is σ = 11551680. Its totient is φ = 2200304.

The previous prime is 5500757. The next prime is 5500787. The reversal of 5500780 is 870055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500787) 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, 137500 + ... + 137539.

It is an arithmetic number, because the mean of its divisors is an integer number (962640).

Almost surely, 25500780 is an apocalyptic number.

It is an amenable number.

5500780 is an abundant number, since it is smaller than the sum of its proper divisors (6050900).

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

5500780 is a wasteful number, since it uses less digits than its factorization.

5500780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275048 (or 275046 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 5500780 is about 2345.3741705749. The cubic root of 5500780 is about 176.5257608316.

The spelling of 5500780 in words is "five million, five hundred thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 275039 550078 1100156 1375195 2750390 5500780