Search a number
-
+
2412780 = 223540213
BaseRepresentation
bin1001001101000011101100
311112120201020
421031003230
51104202110
6123414140
726336226
oct11150354
94476636
102412780
1113a8837
12984350
136662a6
1446b416
15329d70
hex24d0ec

2412780 has 24 divisors (see below), whose sum is σ = 6755952. Its totient is φ = 643392.

The previous prime is 2412779. The next prime is 2412797. The reversal of 2412780 is 872142.

It is a self number, because there is not a number n which added to its sum of digits gives 2412780.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20047 + ... + 20166.

It is an arithmetic number, because the mean of its divisors is an integer number (281498).

22412780 is an apocalyptic number.

2412780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2412780 is an abundant number, since it is smaller than the sum of its proper divisors (4343172).

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

2412780 is a wasteful number, since it uses less digits than its factorization.

2412780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40225 (or 40223 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 2412780 is about 1553.3125892749. The cubic root of 2412780 is about 134.1238181308.

The spelling of 2412780 in words is "two million, four hundred twelve thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 40213 80426 120639 160852 201065 241278 402130 482556 603195 804260 1206390 2412780