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345730065 = 3573931189
BaseRepresentation
bin10100100110110…
…110110000010001
3220002112220111020
4110212312300101
51202001330230
654150110053
711365441242
oct2446666021
9802486436
10345730065
1116817912a
129794b329
135681c805
1433cb8cc9
1520543810
hex149b6c11

345730065 has 16 divisors (see below), whose sum is σ = 553934400. Its totient is φ = 184133952.

The previous prime is 345730051. The next prime is 345730093. The reversal of 345730065 is 560037543.

It is not a de Polignac number, because 345730065 - 212 = 345725969 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4510 + ... + 26679.

It is an arithmetic number, because the mean of its divisors is an integer number (34620900).

Almost surely, 2345730065 is an apocalyptic number.

It is an amenable number.

345730065 is a deficient number, since it is larger than the sum of its proper divisors (208204335).

345730065 is a wasteful number, since it uses less digits than its factorization.

345730065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31936.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 345730065 is about 18593.8179242457. The cubic root of 345730065 is about 701.8522813997.

The spelling of 345730065 in words is "three hundred forty-five million, seven hundred thirty thousand, sixty-five".

Divisors: 1 3 5 15 739 2217 3695 11085 31189 93567 155945 467835 23048671 69146013 115243355 345730065