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344613142 = 2172306571
BaseRepresentation
bin10100100010100…
…110000100010110
3220000110011100201
4110202212010112
51201210110032
654110131114
711353110016
oct2442460426
9800404321
10344613142
11167585a55
12974b0a9a
135651b303
1433aa7c46
15203c28e7
hex148a6116

344613142 has 4 divisors (see below), whose sum is σ = 516919716. Its totient is φ = 172306570.

The previous prime is 344613131. The next prime is 344613149. The reversal of 344613142 is 241316443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241316443 = 461523463.

It is a super-2 number, since 2×3446131422 = 237516435278224328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 344613142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344613149) 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 as a sum of consecutive naturals, namely, 86153284 + ... + 86153287.

It is an arithmetic number, because the mean of its divisors is an integer number (129229929).

Almost surely, 2344613142 is an apocalyptic number.

344613142 is a deficient number, since it is larger than the sum of its proper divisors (172306574).

344613142 is a wasteful number, since it uses less digits than its factorization.

344613142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172306573.

The product of its digits is 6912, while the sum is 28.

The square root of 344613142 is about 18563.7588327364. The cubic root of 344613142 is about 701.0956596582.

Adding to 344613142 its reverse (241316443), we get a palindrome (585929585).

The spelling of 344613142 in words is "three hundred forty-four million, six hundred thirteen thousand, one hundred forty-two".

Divisors: 1 2 172306571 344613142