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2349239129 = 17138190537
BaseRepresentation
bin1000110000000110…
…1000101101011001
320001201111201020122
42030001220231121
514302401123004
61025040203025
7112134126446
oct21401505531
96051451218
102349239129
11aa60a2146
12556909475
132b5925133
141840089cd
15db39acbe
hex8c068b59

2349239129 has 4 divisors (see below), whose sum is σ = 2487429684. Its totient is φ = 2211048576.

The previous prime is 2349239107. The next prime is 2349239153. The reversal of 2349239129 is 9219329432.

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 1687566400 + 661672729 = 41080^2 + 25723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2349239129 is a prime.

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 2349239129.

It is not an unprimeable number, because it can be changed into a prime (2349239329) 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, 69095252 + ... + 69095285.

It is an arithmetic number, because the mean of its divisors is an integer number (621857421).

Almost surely, 22349239129 is an apocalyptic number.

It is an amenable number.

2349239129 is a deficient number, since it is larger than the sum of its proper divisors (138190555).

2349239129 is a wasteful number, since it uses less digits than its factorization.

2349239129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138190554.

The product of its digits is 209952, while the sum is 44.

The square root of 2349239129 is about 48468.9501536809. The cubic root of 2349239129 is about 1329.3593931932.

The spelling of 2349239129 in words is "two billion, three hundred forty-nine million, two hundred thirty-nine thousand, one hundred twenty-nine".

Divisors: 1 17 138190537 2349239129