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345473892 = 223223417239
BaseRepresentation
bin10100100101111…
…000001101100100
3220002001220002100
4110211320031210
51201420131032
654140412100
711363323341
oct2445701544
9802056070
10345473892
11168013715
1297847030
135676002a
1433c4d7c8
15204e297c
hex14978364

345473892 has 36 divisors (see below), whose sum is σ = 911252160. Its totient is φ = 110150832.

The previous prime is 345473879. The next prime is 345473929. The reversal of 345473892 is 298374543.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 207792 + ... + 209447.

It is an arithmetic number, because the mean of its divisors is an integer number (25312560).

Almost surely, 2345473892 is an apocalyptic number.

It is an amenable number.

345473892 is an abundant number, since it is smaller than the sum of its proper divisors (565778268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345473892 is a wasteful number, since it uses less digits than its factorization.

345473892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417272 (or 417267 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 345473892 is about 18586.9279871635. The cubic root of 345473892 is about 701.6788898357.

The spelling of 345473892 in words is "three hundred forty-five million, four hundred seventy-three thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 417239 834478 1251717 1668956 2503434 3755151 5006868 7510302 9596497 15020604 19192994 28789491 38385988 57578982 86368473 115157964 172736946 345473892