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4030253 = 9741549
BaseRepresentation
bin1111010111111100101101
321120202110122
433113330231
52012432003
6222214325
746154003
oct17277455
97522418
104030253
112302a97
1214243a5
13ab1586
1476ca73
15549238
hex3d7f2d

4030253 has 4 divisors (see below), whose sum is σ = 4071900. Its totient is φ = 3988608.

The previous prime is 4030219. The next prime is 4030277. The reversal of 4030253 is 3520304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 797449 + 3232804 = 893^2 + 1798^2 .

It is a cyclic number.

It is not a de Polignac number, because 4030253 - 26 = 4030189 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20678 + ... + 20871.

It is an arithmetic number, because the mean of its divisors is an integer number (1017975).

Almost surely, 24030253 is an apocalyptic number.

It is an amenable number.

4030253 is a deficient number, since it is larger than the sum of its proper divisors (41647).

4030253 is an equidigital number, since it uses as much as digits as its factorization.

4030253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41646.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 4030253 is about 2007.5490031379. The cubic root of 4030253 is about 159.1392975184.

Adding to 4030253 its reverse (3520304), we get a palindrome (7550557).

The spelling of 4030253 in words is "four million, thirty thousand, two hundred fifty-three".

Divisors: 1 97 41549 4030253