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348984869 = 2934692
BaseRepresentation
bin10100110011010…
…001011000100101
3220022200021020112
4110303101120211
51203320003434
654343542405
711435215412
oct2463213045
9808607215
10348984869
11169aa1552
1298a5aa05
13573bc12c
14344c5109
1520987dce
hex14cd1625

348984869 has 6 divisors (see below), whose sum is σ = 361122930. Its totient is φ = 336853776.

The previous prime is 348984829. The next prime is 348984877. The reversal of 348984869 is 968489843.

It can be written as a sum of positive squares in 3 ways, for example, as 15484225 + 333500644 = 3935^2 + 18262^2 .

It is not a de Polignac number, because 348984869 - 28 = 348984613 is a prime.

It is a super-2 number, since 2×3489848692 = 243580877581894322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348984829) 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 5 ways as a sum of consecutive naturals, for example, 98867 + ... + 102335.

It is an arithmetic number, because the mean of its divisors is an integer number (60187155).

Almost surely, 2348984869 is an apocalyptic number.

It is an amenable number.

348984869 is a deficient number, since it is larger than the sum of its proper divisors (12138061).

348984869 is an frugal number, since it uses more digits than its factorization.

348984869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6967 (or 3498 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 59.

The square root of 348984869 is about 18681.1367159496. The cubic root of 348984869 is about 704.0478866413.

The spelling of 348984869 in words is "three hundred forty-eight million, nine hundred eighty-four thousand, eight hundred sixty-nine".

Divisors: 1 29 3469 100601 12033961 348984869