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345388112 = 2431739539
BaseRepresentation
bin10100100101100…
…011010001010000
3220001220112102022
4110211203101100
51201404404422
654134511012
711362515266
oct2445432120
9801815368
10345388112
11167a65223
1297805468
135672cc84
1433c2a436
15204c7342
hex14963450

345388112 has 40 divisors (see below), whose sum is σ = 700312320. Its totient is φ = 164816640.

The previous prime is 345388111. The next prime is 345388123. The reversal of 345388112 is 211883543.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345388111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31439 + ... + 40977.

It is an arithmetic number, because the mean of its divisors is an integer number (17507808).

Almost surely, 2345388112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345388112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350156160).

345388112 is an abundant number, since it is smaller than the sum of its proper divisors (354924208).

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

345388112 is a wasteful number, since it uses less digits than its factorization.

345388112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9651 (or 9645 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 345388112 is about 18584.6203082011. The cubic root of 345388112 is about 701.6208101960.

The spelling of 345388112 in words is "three hundred forty-five million, three hundred eighty-eight thousand, one hundred twelve".

Divisors: 1 2 4 8 16 31 62 73 124 146 248 292 496 584 1168 2263 4526 9052 9539 18104 19078 36208 38156 76312 152624 295709 591418 696347 1182836 1392694 2365672 2785388 4731344 5570776 11141552 21586757 43173514 86347028 172694056 345388112