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253251351 = 3228139039
BaseRepresentation
bin11110001100001…
…00111100010111
3122122112111112200
433012010330113
51004313020401
641044015543
76163413063
oct1706047427
9578474480
10253251351
1111aa54541
12709915b3
1340610592
14258c4aa3
1517377686
hexf184f17

253251351 has 6 divisors (see below), whose sum is σ = 365807520. Its totient is φ = 168834228.

The previous prime is 253251289. The next prime is 253251373. The reversal of 253251351 is 153152352.

It is a happy number.

It is not a de Polignac number, because 253251351 - 29 = 253250839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253251451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14069511 + ... + 14069528.

It is an arithmetic number, because the mean of its divisors is an integer number (60967920).

Almost surely, 2253251351 is an apocalyptic number.

253251351 is a deficient number, since it is larger than the sum of its proper divisors (112556169).

253251351 is a wasteful number, since it uses less digits than its factorization.

253251351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28139045 (or 28139042 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 253251351 is about 15913.8729101372. The cubic root of 253251351 is about 632.6797343678.

The spelling of 253251351 in words is "two hundred fifty-three million, two hundred fifty-one thousand, three hundred fifty-one".

Divisors: 1 3 9 28139039 84417117 253251351