Search a number
-
+
2400425 = 5296017
BaseRepresentation
bin1001001010000010101001
311111221202122
421022002221
51103303200
6123241025
726255216
oct11120251
94457678
102400425
11139a525
12979175
13660791
14466b0d
15326385
hex24a0a9

2400425 has 6 divisors (see below), whose sum is σ = 2976558. Its totient is φ = 1920320.

The previous prime is 2400413. The next prime is 2400469. The reversal of 2400425 is 5240042.

It can be written as a sum of positive squares in 3 ways, for example, as 1024 + 2399401 = 32^2 + 1549^2 .

It is not a de Polignac number, because 2400425 - 28 = 2400169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47984 + ... + 48033.

It is an arithmetic number, because the mean of its divisors is an integer number (496093).

22400425 is an apocalyptic number.

2400425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2400425 is a deficient number, since it is larger than the sum of its proper divisors (576133).

2400425 is an equidigital number, since it uses as much as digits as its factorization.

2400425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96027 (or 96022 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2400425 is about 1549.3305005711. The cubic root of 2400425 is about 133.8944925779.

Adding to 2400425 its reverse (5240042), we get a palindrome (7640467).

The spelling of 2400425 in words is "two million, four hundred thousand, four hundred twenty-five".

Divisors: 1 5 25 96017 480085 2400425