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344222453 = 1693203321
BaseRepresentation
bin10100100001000…
…110101011110101
3212222201022102202
4110201012223311
51201110104303
654053514245
711346562001
oct2441065365
9788638382
10344222453
11167339473
1297342985
1356412533
1433a05701
1520346c88
hex14846af5

344222453 has 4 divisors (see below), whose sum is σ = 344427468. Its totient is φ = 344017440.

The previous prime is 344222447. The next prime is 344222467. The reversal of 344222453 is 354222443.

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: 354222443 = 2912214567.

It can be written as a sum of positive squares in 2 ways, for example, as 197739844 + 146482609 = 14062^2 + 12103^2 .

It is a cyclic number.

It is not a de Polignac number, because 344222453 - 210 = 344221429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344222653) 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, 99968 + ... + 103353.

It is an arithmetic number, because the mean of its divisors is an integer number (86106867).

Almost surely, 2344222453 is an apocalyptic number.

It is an amenable number.

344222453 is a deficient number, since it is larger than the sum of its proper divisors (205015).

344222453 is a wasteful number, since it uses less digits than its factorization.

344222453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205014.

The product of its digits is 23040, while the sum is 29.

The square root of 344222453 is about 18553.2329527767. The cubic root of 344222453 is about 700.8306146893.

Adding to 344222453 its reverse (354222443), we get a palindrome (698444896).

The spelling of 344222453 in words is "three hundred forty-four million, two hundred twenty-two thousand, four hundred fifty-three".

Divisors: 1 1693 203321 344222453