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344900069 = 1133052213
BaseRepresentation
bin10100100011101…
…100000111100101
3220000222201221122
4110203230013211
51201243300234
654120223325
711355413363
oct2443540745
9800881848
10344900069
11167761588
129760ab45
13565bbaa7
1433b40633
152042c92e
hex148ec1e5

344900069 has 4 divisors (see below), whose sum is σ = 347952396. Its totient is φ = 341847744.

The previous prime is 344899999. The next prime is 344900081. The reversal of 344900069 is 960009443.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62995969 + 281904100 = 7937^2 + 16790^2 .

It is a cyclic number.

It is not a de Polignac number, because 344900069 - 212 = 344895973 is a prime.

It is a super-2 number, since 2×3449000692 = 237912115192409522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344900869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1525994 + ... + 1526219.

It is an arithmetic number, because the mean of its divisors is an integer number (86988099).

Almost surely, 2344900069 is an apocalyptic number.

It is an amenable number.

344900069 is a deficient number, since it is larger than the sum of its proper divisors (3052327).

344900069 is a wasteful number, since it uses less digits than its factorization.

344900069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052326.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 344900069 is about 18571.4853740890. The cubic root of 344900069 is about 701.2901845188.

The spelling of 344900069 in words is "three hundred forty-four million, nine hundred thousand, sixty-nine".

Divisors: 1 113 3052213 344900069