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252780303 = 3211339877
BaseRepresentation
bin11110001000100…
…01111100001111
3122121122120101110
433010101330033
51004202432203
641025543103
76156411546
oct1704217417
9577576343
10252780303
1111a762646
12707a4a93
13404a7059
142580115d
15172d2d03
hexf111f0f

252780303 has 8 divisors (see below), whose sum is σ = 337208368. Its totient is φ = 168436224.

The previous prime is 252780299. The next prime is 252780379. The reversal of 252780303 is 303087252.

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

It is not a de Polignac number, because 252780303 - 22 = 252780299 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 (252780103) 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, 13600 + ... + 26277.

It is an arithmetic number, because the mean of its divisors is an integer number (42151046).

Almost surely, 2252780303 is an apocalyptic number.

252780303 is a deficient number, since it is larger than the sum of its proper divisors (84428065).

252780303 is a wasteful number, since it uses less digits than its factorization.

252780303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41993.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 252780303 is about 15899.0661046490. The cubic root of 252780303 is about 632.2872290726.

The spelling of 252780303 in words is "two hundred fifty-two million, seven hundred eighty thousand, three hundred three".

Divisors: 1 3 2113 6339 39877 119631 84260101 252780303