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345070545 = 35534211031
BaseRepresentation
bin10100100100010…
…101101111010001
3220001022101210120
4110210111233101
51201314224140
654124020453
711360023401
oct2444255721
9801271716
10345070545
11167868676
1297691729
135664b571
1433b86801
15204631d0
hex14915bd1

345070545 has 32 divisors (see below), whose sum is σ = 564413184. Its totient is φ = 179961600.

The previous prime is 345070513. The next prime is 345070549. The reversal of 345070545 is 545070543.

It is not a de Polignac number, because 345070545 - 25 = 345070513 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (345070549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334180 + ... + 335210.

It is an arithmetic number, because the mean of its divisors is an integer number (17637912).

Almost surely, 2345070545 is an apocalyptic number.

It is an amenable number.

345070545 is a deficient number, since it is larger than the sum of its proper divisors (219342639).

345070545 is a wasteful number, since it uses less digits than its factorization.

345070545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513.

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 345070545 is about 18576.0745315042. The cubic root of 345070545 is about 701.4057092405.

The spelling of 345070545 in words is "three hundred forty-five million, seventy thousand, five hundred forty-five".

Divisors: 1 3 5 15 53 159 265 421 795 1031 1263 2105 3093 5155 6315 15465 22313 54643 66939 111565 163929 273215 334695 434051 819645 1302153 2170255 6510765 23004703 69014109 115023515 345070545