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348013129 = 1093192781
BaseRepresentation
bin10100101111100…
…100001001001001
3220020211220021011
4110233210021021
51203042410004
654311043521
711424030352
oct2457441111
9806756234
10348013129
11169498462
12986705a1
135713ba39
1434310d29
1520845004
hex14be4249

348013129 has 4 divisors (see below), whose sum is σ = 351206020. Its totient is φ = 344820240.

The previous prime is 348013117. The next prime is 348013153. The reversal of 348013129 is 921310843.

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

It can be written as a sum of positive squares in 2 ways, for example, as 251285904 + 96727225 = 15852^2 + 9835^2 .

It is a cyclic number.

It is not a de Polignac number, because 348013129 - 25 = 348013097 is a prime.

It is a super-2 number, since 2×3480131292 = 242226275912741282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 348013129.

It is not an unprimeable number, because it can be changed into a prime (348013109) 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, 1596282 + ... + 1596499.

It is an arithmetic number, because the mean of its divisors is an integer number (87801505).

Almost surely, 2348013129 is an apocalyptic number.

It is an amenable number.

348013129 is a deficient number, since it is larger than the sum of its proper divisors (3192891).

348013129 is a wasteful number, since it uses less digits than its factorization.

348013129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192890.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 348013129 is about 18655.1099969955. The cubic root of 348013129 is about 703.3938110261.

The spelling of 348013129 in words is "three hundred forty-eight million, thirteen thousand, one hundred twenty-nine".

Divisors: 1 109 3192781 348013129