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4030425 = 33527853
BaseRepresentation
bin1111010111111111011001
321120202201000
433113333121
52012433200
6222215213
746154340
oct17277731
97522630
104030425
112303133
121424509
13ab1689
1476cb57
15549300
hex3d7fd9

4030425 has 48 divisors (see below), whose sum is σ = 8471680. Its totient is φ = 1840320.

The previous prime is 4030421. The next prime is 4030441. The reversal of 4030425 is 5240304.

It is a happy number.

It is not a de Polignac number, because 4030425 - 22 = 4030421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4030398 and 4030407.

It is not an unprimeable number, because it can be changed into a prime (4030421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4299 + ... + 5151.

Almost surely, 24030425 is an apocalyptic number.

4030425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4030425 is an abundant number, since it is smaller than the sum of its proper divisors (4441255).

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

4030425 is a wasteful number, since it uses less digits than its factorization.

4030425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4030425 is about 2007.5918409876. The cubic root of 4030425 is about 159.1415613605.

Adding to 4030425 its reverse (5240304), we get a palindrome (9270729).

The spelling of 4030425 in words is "four million, thirty thousand, four hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 27 35 45 63 75 105 135 175 189 225 315 525 675 853 945 1575 2559 4265 4725 5971 7677 12795 17913 21325 23031 29855 38385 53739 63975 89565 115155 149275 161217 191925 268695 447825 575775 806085 1343475 4030425