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4030525 = 52161221
BaseRepresentation
bin1111011000000000111101
321120202211201
433120000331
52012434100
6222215501
746154542
oct17300075
97522751
104030525
112303214
121424591
13ab1735
1476cbc9
1554936a
hex3d803d

4030525 has 6 divisors (see below), whose sum is σ = 4997882. Its totient is φ = 3224400.

The previous prime is 4030511. The next prime is 4030529. The reversal of 4030525 is 5250304.

It is a happy number.

4030525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 488601 + 3541924 = 699^2 + 1882^2 .

It is not a de Polignac number, because 4030525 - 217 = 3899453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80586 + ... + 80635.

Almost surely, 24030525 is an apocalyptic number.

It is an amenable number.

4030525 is a deficient number, since it is larger than the sum of its proper divisors (967357).

4030525 is a wasteful number, since it uses less digits than its factorization.

4030525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161231 (or 161226 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 4030525 is about 2007.6167462940. The cubic root of 4030525 is about 159.1428775182.

Adding to 4030525 its reverse (5250304), we get a palindrome (9280829).

The spelling of 4030525 in words is "four million, thirty thousand, five hundred twenty-five".

Divisors: 1 5 25 161221 806105 4030525