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345240351 = 3238360039
BaseRepresentation
bin10100100100111…
…111001100011111
3220001122000201200
4110210333030133
51201340142401
654131410543
711361331431
oct2444771437
9801560650
10345240351
11167974205
1297753a53
13566aa941
1433bcc651
1520498686
hex1493f31f

345240351 has 6 divisors (see below), whose sum is σ = 498680520. Its totient is φ = 230160228.

The previous prime is 345240341. The next prime is 345240407. The reversal of 345240351 is 153042543.

It is not a de Polignac number, because 345240351 - 25 = 345240319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345240341) 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 5 ways as a sum of consecutive naturals, for example, 19180011 + ... + 19180028.

It is an arithmetic number, because the mean of its divisors is an integer number (83113420).

Almost surely, 2345240351 is an apocalyptic number.

345240351 is a deficient number, since it is larger than the sum of its proper divisors (153440169).

345240351 is a wasteful number, since it uses less digits than its factorization.

345240351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38360045 (or 38360042 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 345240351 is about 18580.6445259577. The cubic root of 345240351 is about 701.5207421117.

Adding to 345240351 its reverse (153042543), we get a palindrome (498282894).

The spelling of 345240351 in words is "three hundred forty-five million, two hundred forty thousand, three hundred fifty-one".

Divisors: 1 3 9 38360039 115080117 345240351