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345536305 = 51729140177
BaseRepresentation
bin10100100110000…
…111011100110001
3220002012001200221
4110212013130301
51201424130210
654142013041
711364003322
oct2446073461
9802161627
10345536305
111680565a4
1297877181
135678256a
1433c68449
15205061da
hex14987731

345536305 has 16 divisors (see below), whose sum is σ = 454176720. Its totient is φ = 251195392.

The previous prime is 345536293. The next prime is 345536333. The reversal of 345536305 is 503635543.

It can be written as a sum of positive squares in 8 ways, for example, as 1656369 + 343879936 = 1287^2 + 18544^2 .

It is a cyclic number.

It is not a de Polignac number, because 345536305 - 29 = 345535793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67624 + ... + 72553.

It is an arithmetic number, because the mean of its divisors is an integer number (28386045).

Almost surely, 2345536305 is an apocalyptic number.

It is an amenable number.

345536305 is a deficient number, since it is larger than the sum of its proper divisors (108640415).

345536305 is a wasteful number, since it uses less digits than its factorization.

345536305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140228.

The product of its (nonzero) digits is 81000, while the sum is 34.

The square root of 345536305 is about 18588.6068601173. The cubic root of 345536305 is about 701.7211421820.

The spelling of 345536305 in words is "three hundred forty-five million, five hundred thirty-six thousand, three hundred five".

Divisors: 1 5 17 29 85 145 493 2465 140177 700885 2383009 4065133 11915045 20325665 69107261 345536305