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345854725 = 52293712893
BaseRepresentation
bin10100100111010…
…101001100000101
3220002210020111021
4110213111030011
51202014322400
654152511141
711366500546
oct2447251405
9802706437
10345854725
11168253857
12979ab4b1
1356864488
1433d0c4cd
152056a71a
hex149d5305

345854725 has 24 divisors (see below), whose sum is σ = 455673960. Its totient is φ = 259902720.

The previous prime is 345854699. The next prime is 345854741. The reversal of 345854725 is 527458543.

It can be written as a sum of positive squares in 12 ways, for example, as 20088324 + 325766401 = 4482^2 + 18049^2 .

It is not a de Polignac number, because 345854725 - 219 = 345330437 is a prime.

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

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 20379 + ... + 33271.

It is an arithmetic number, because the mean of its divisors is an integer number (18986415).

Almost surely, 2345854725 is an apocalyptic number.

It is an amenable number.

345854725 is a deficient number, since it is larger than the sum of its proper divisors (109819235).

345854725 is a wasteful number, since it uses less digits than its factorization.

345854725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12969 (or 12964 counting only the distinct ones).

The product of its digits is 672000, while the sum is 43.

The square root of 345854725 is about 18597.1698115600. The cubic root of 345854725 is about 701.9366269634.

The spelling of 345854725 in words is "three hundred forty-five million, eight hundred fifty-four thousand, seven hundred twenty-five".

Divisors: 1 5 25 29 37 145 185 725 925 1073 5365 12893 26825 64465 322325 373897 477041 1869485 2385205 9347425 11926025 13834189 69170945 345854725