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345887055 = 32543178753
BaseRepresentation
bin10100100111011…
…101000101001111
3220002211212211200
4110213131011033
51202021341210
654153320543
711366664033
oct2447350517
9802755750
10345887055
11168276078
1297a06153
13568760c7
1433d1a1c3
15205750c0
hex149dd14f

345887055 has 24 divisors (see below), whose sum is σ = 613483728. Its totient is φ = 180182016.

The previous prime is 345887033. The next prime is 345887071. The reversal of 345887055 is 550788543.

It is not a de Polignac number, because 345887055 - 27 = 345886927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 345887055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87442 + ... + 91311.

It is an arithmetic number, because the mean of its divisors is an integer number (25561822).

Almost surely, 2345887055 is an apocalyptic number.

345887055 is a deficient number, since it is larger than the sum of its proper divisors (267596673).

345887055 is a wasteful number, since it uses less digits than its factorization.

345887055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178807 (or 178804 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The square root of 345887055 is about 18598.0390095300. The cubic root of 345887055 is about 701.9584982892.

The spelling of 345887055 in words is "three hundred forty-five million, eight hundred eighty-seven thousand, fifty-five".

Divisors: 1 3 5 9 15 43 45 129 215 387 645 1935 178753 536259 893765 1608777 2681295 7686379 8043885 23059137 38431895 69177411 115295685 345887055