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253200351 = 3109774313
BaseRepresentation
bin11110001011110…
…00011111011111
3122122102220120210
433011320133133
51004304402401
641042543503
76163111305
oct1705703737
9578386523
10253200351
1111aa1a198
1270967b93
13405c32c1
14258b0275
15173674d6
hexf1787df

253200351 has 8 divisors (see below), whose sum is σ = 340698160. Its totient is φ = 167251392.

The previous prime is 253200341. The next prime is 253200373. The reversal of 253200351 is 153002352.

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

It is not a de Polignac number, because 253200351 - 210 = 253199327 is a prime.

It is a super-2 number, since 2×2532003512 = 128220835493046402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253200301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386830 + ... + 387483.

It is an arithmetic number, because the mean of its divisors is an integer number (42587270).

Almost surely, 2253200351 is an apocalyptic number.

253200351 is a deficient number, since it is larger than the sum of its proper divisors (87497809).

253200351 is a wasteful number, since it uses less digits than its factorization.

253200351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774425.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 253200351 is about 15912.2704539610. The cubic root of 253200351 is about 632.6372616326.

The spelling of 253200351 in words is "two hundred fifty-three million, two hundred thousand, three hundred fifty-one".

Divisors: 1 3 109 327 774313 2322939 84400117 253200351