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252530303 = 673769109
BaseRepresentation
bin11110000110101…
…00111001111111
3122121011212110012
433003110321333
51004121432203
641020333435
76154320644
oct1703247177
9577155405
10252530303
1111a601833
12706a427b
134041a31c
1425777dcb
1517283bd8
hexf0d4e7f

252530303 has 4 divisors (see below), whose sum is σ = 256299480. Its totient is φ = 248761128.

The previous prime is 252530297. The next prime is 252530323. The reversal of 252530303 is 303035252.

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

It is a cyclic number.

It is not a de Polignac number, because 252530303 - 224 = 235753087 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 (252530323) 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, 1884488 + ... + 1884621.

It is an arithmetic number, because the mean of its divisors is an integer number (64074870).

Almost surely, 2252530303 is an apocalyptic number.

252530303 is a deficient number, since it is larger than the sum of its proper divisors (3769177).

252530303 is an equidigital number, since it uses as much as digits as its factorization.

252530303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769176.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 252530303 is about 15891.2020627767. The cubic root of 252530303 is about 632.0787160607.

Adding to 252530303 its reverse (303035252), we get a palindrome (555565555).

The spelling of 252530303 in words is "two hundred fifty-two million, five hundred thirty thousand, three hundred three".

Divisors: 1 67 3769109 252530303