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253045307 = 1134395101
BaseRepresentation
bin11110001010100…
…10101000111011
3122122011000220102
433011102220323
51004234422212
641035350015
76161564264
oct1705225073
9578130812
10253045307
1111a923759
12708b230b
134056a868
142586d96b
15173365c2
hexf152a3b

253045307 has 8 divisors (see below), whose sum is σ = 255916320. Its totient is φ = 250185600.

The previous prime is 253045301. The next prime is 253045339. The reversal of 253045307 is 703540352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253045307 - 24 = 253045291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253045307.

It is not an unprimeable number, because it can be changed into a prime (253045301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47057 + ... + 52157.

It is an arithmetic number, because the mean of its divisors is an integer number (31989540).

Almost surely, 2253045307 is an apocalyptic number.

253045307 is a deficient number, since it is larger than the sum of its proper divisors (2871013).

253045307 is a wasteful number, since it uses less digits than its factorization.

253045307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5653.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 253045307 is about 15907.3978701735. The cubic root of 253045307 is about 632.5081061520.

Adding to 253045307 its reverse (703540352), we get a palindrome (956585659).

It can be divided in two parts, 253045 and 307, that added together give a palindrome (253352).

The spelling of 253045307 in words is "two hundred fifty-three million, forty-five thousand, three hundred seven".

Divisors: 1 113 439 5101 49607 576413 2239339 253045307