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348213011 = 438097977
BaseRepresentation
bin10100110000010…
…100111100010011
3220021020001110012
4110300110330103
51203120304021
654315225135
711425522166
oct2460247423
9807201405
10348213011
11169614653
12987481ab
13571aba03
1434363add
152088435b
hex14c14f13

348213011 has 4 divisors (see below), whose sum is σ = 356311032. Its totient is φ = 340114992.

The previous prime is 348213007. The next prime is 348213013. The reversal of 348213011 is 110312843.

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 348213011 - 22 = 348213007 is a prime.

It is a super-2 number, since 2×3482130112 = 242504602059372242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348213013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4048946 + ... + 4049031.

It is an arithmetic number, because the mean of its divisors is an integer number (89077758).

Almost surely, 2348213011 is an apocalyptic number.

348213011 is a deficient number, since it is larger than the sum of its proper divisors (8098021).

348213011 is an equidigital number, since it uses as much as digits as its factorization.

348213011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8098020.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 348213011 is about 18660.4665268583. The cubic root of 348213011 is about 703.5284504419.

Adding to 348213011 its reverse (110312843), we get a palindrome (458525854).

The spelling of 348213011 in words is "three hundred forty-eight million, two hundred thirteen thousand, eleven".

Divisors: 1 43 8097977 348213011