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345270263 = 1343617657
BaseRepresentation
bin10100100101000…
…110011111110111
3220001200112202112
4110211012133313
51201342122023
654132201235
711361514562
oct2445063767
9801615675
10345270263
11167994728
129776921b
13566bb440
1433bd94d9
15204a2478
hex149467f7

345270263 has 8 divisors (see below), whose sum is σ = 380477328. Its totient is φ = 311298624.

The previous prime is 345270241. The next prime is 345270269. The reversal of 345270263 is 362072543.

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

It is not a de Polignac number, because 345270263 - 28 = 345270007 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 (345270269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308270 + ... + 309387.

It is an arithmetic number, because the mean of its divisors is an integer number (47559666).

Almost surely, 2345270263 is an apocalyptic number.

345270263 is a deficient number, since it is larger than the sum of its proper divisors (35207065).

345270263 is a wasteful number, since it uses less digits than its factorization.

345270263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617713.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 345270263 is about 18581.4494321622. The cubic root of 345270263 is about 701.5410017003.

The spelling of 345270263 in words is "three hundred forty-five million, two hundred seventy thousand, two hundred sixty-three".

Divisors: 1 13 43 559 617657 8029541 26559251 345270263