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2150425 = 5286017
BaseRepresentation
bin1000001101000000011001
311001020211101
420031000121
51022303200
6114031401
724164314
oct10150031
94036741
102150425
111239712
12878561
135a3a54
143dd97b
152c726a
hex20d019

2150425 has 6 divisors (see below), whose sum is σ = 2666558. Its totient is φ = 1720320.

The previous prime is 2150419. The next prime is 2150441. The reversal of 2150425 is 5240512.

It can be written as a sum of positive squares in 3 ways, for example, as 257049 + 1893376 = 507^2 + 1376^2 .

It is not a de Polignac number, because 2150425 - 23 = 2150417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 42984 + ... + 43033.

22150425 is an apocalyptic number.

2150425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2150425 is a deficient number, since it is larger than the sum of its proper divisors (516133).

2150425 is an equidigital number, since it uses as much as digits as its factorization.

2150425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86027 (or 86022 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2150425 is about 1466.4327464974. The cubic root of 2150425 is about 129.0747918749.

Adding to 2150425 its reverse (5240512), we get a palindrome (7390937).

The spelling of 2150425 in words is "two million, one hundred fifty thousand, four hundred twenty-five".

Divisors: 1 5 25 86017 430085 2150425