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342144443 = 477279669
BaseRepresentation
bin10100011001001…
…011010110111011
3212211210201221102
4110121023112323
51200042110233
653541202015
711323115444
oct2431132673
9784721842
10342144443
1116614a203
129670030b
1355b65744
14336242cb
15200861e8
hex1464b5bb

342144443 has 4 divisors (see below), whose sum is σ = 349424160. Its totient is φ = 334864728.

The previous prime is 342144433. The next prime is 342144449. The reversal of 342144443 is 344441243.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 342144443 - 222 = 337950139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342144449) 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, 3639788 + ... + 3639881.

It is an arithmetic number, because the mean of its divisors is an integer number (87356040).

Almost surely, 2342144443 is an apocalyptic number.

342144443 is a deficient number, since it is larger than the sum of its proper divisors (7279717).

342144443 is an equidigital number, since it uses as much as digits as its factorization.

342144443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7279716.

The product of its digits is 18432, while the sum is 29.

The square root of 342144443 is about 18497.1468881014. The cubic root of 342144443 is about 699.4175038530.

Adding to 342144443 its reverse (344441243), we get a palindrome (686585686).

The spelling of 342144443 in words is "three hundred forty-two million, one hundred forty-four thousand, four hundred forty-three".

Divisors: 1 47 7279669 342144443