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344312245 = 568862449
BaseRepresentation
bin10100100001011…
…100100110110101
3212222212212121101
4110201130212311
51201120442440
654055450101
711350414534
oct2441344665
9788785541
10344312245
1116739a982
1297386931
1356444374
1433a2a31b
152036369a
hex1485c9b5

344312245 has 4 divisors (see below), whose sum is σ = 413174700. Its totient is φ = 275449792.

The previous prime is 344312201. The next prime is 344312251. The reversal of 344312245 is 542213443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542213443 = 1043351971.

It can be written as a sum of positive squares in 2 ways, for example, as 221146641 + 123165604 = 14871^2 + 11098^2 .

It is a cyclic number.

It is not a de Polignac number, because 344312245 - 27 = 344312117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34431220 + ... + 34431229.

It is an arithmetic number, because the mean of its divisors is an integer number (103293675).

Almost surely, 2344312245 is an apocalyptic number.

It is an amenable number.

344312245 is a deficient number, since it is larger than the sum of its proper divisors (68862455).

344312245 is an equidigital number, since it uses as much as digits as its factorization.

344312245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68862454.

The product of its digits is 11520, while the sum is 28.

The square root of 344312245 is about 18555.6526427932. The cubic root of 344312245 is about 700.8915476810.

Adding to 344312245 its reverse (542213443), we get a palindrome (886525688).

The spelling of 344312245 in words is "three hundred forty-four million, three hundred twelve thousand, two hundred forty-five".

Divisors: 1 5 68862449 344312245