Search a number
-
+
2427428 = 22606857
BaseRepresentation
bin1001010000101000100100
311120022210202
421100220210
51110134203
6124010032
726430023
oct11205044
94508722
102427428
111408843
12990918
1366cb63
144728ba
1532e388
hex250a24

2427428 has 6 divisors (see below), whose sum is σ = 4248006. Its totient is φ = 1213712.

The previous prime is 2427427. The next prime is 2427431. The reversal of 2427428 is 8247242.

It can be written as a sum of positive squares in only one way, i.e., 2427364 + 64 = 1558^2 + 8^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2427428.

It is not an unprimeable number, because it can be changed into a prime (2427427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303425 + ... + 303432.

It is an arithmetic number, because the mean of its divisors is an integer number (708001).

22427428 is an apocalyptic number.

It is an amenable number.

2427428 is a deficient number, since it is larger than the sum of its proper divisors (1820578).

2427428 is a wasteful number, since it uses less digits than its factorization.

2427428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606861 (or 606859 counting only the distinct ones).

The product of its digits is 7168, while the sum is 29.

The square root of 2427428 is about 1558.0205390174. The cubic root of 2427428 is about 134.3946928413.

The spelling of 2427428 in words is "two million, four hundred twenty-seven thousand, four hundred twenty-eight".

Divisors: 1 2 4 606857 1213714 2427428