Search a number
-
+
2573780 = 2251111699
BaseRepresentation
bin1001110100010111010100
311211202120012
421310113110
51124330110
6131055352
730606506
oct11642724
94752505
102573780
1114a87a0
12a41558
136c1661
144add76
1535c905
hex2745d4

2573780 has 24 divisors (see below), whose sum is σ = 5896800. Its totient is φ = 935840.

The previous prime is 2573777. The next prime is 2573803. The reversal of 2573780 is 873752.

2573780 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 an unprimeable number.

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, 5630 + ... + 6069.

It is an arithmetic number, because the mean of its divisors is an integer number (245700).

22573780 is an apocalyptic number.

2573780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2573780 is an abundant number, since it is smaller than the sum of its proper divisors (3323020).

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

2573780 is a wasteful number, since it uses less digits than its factorization.

2573780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11719 (or 11717 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 2573780 is about 1604.3004706102. The cubic root of 2573780 is about 137.0430894350.

The spelling of 2573780 in words is "two million, five hundred seventy-three thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 11699 23398 46796 58495 116990 128689 233980 257378 514756 643445 1286890 2573780