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344445132 = 22328703761
BaseRepresentation
bin10100100001111…
…101000011001100
3220000010121220010
4110201331003030
51201134221012
654102353220
711351510133
oct2441750314
9800117803
10344445132
111674807a9
129742b810
135648c9b5
1433a6291a
152038cc3c
hex1487d0cc

344445132 has 12 divisors (see below), whose sum is σ = 803705336. Its totient is φ = 114815040.

The previous prime is 344445121. The next prime is 344445137. The reversal of 344445132 is 231544443.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 344445132.

It is not an unprimeable number, because it can be changed into a prime (344445137) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14351869 + ... + 14351892.

Almost surely, 2344445132 is an apocalyptic number.

It is an amenable number.

344445132 is an abundant number, since it is smaller than the sum of its proper divisors (459260204).

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

344445132 is a wasteful number, since it uses less digits than its factorization.

344445132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28703768 (or 28703766 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 344445132 is about 18559.2330660510. The cubic root of 344445132 is about 700.9817055698.

Adding to 344445132 its reverse (231544443), we get a palindrome (575989575).

The spelling of 344445132 in words is "three hundred forty-four million, four hundred forty-five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 28703761 57407522 86111283 114815044 172222566 344445132