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2904239969 = 23836312411
BaseRepresentation
bin1010110100011011…
…0010111101100001
321111101211200021022
42231012302331201
521421441134334
61200103535225
7131653426631
oct25506627541
97441750238
102904239969
111260405524
1269075a515
133738c68b7
141d79da6c1
1511ee7a82e
hexad1b2f61

2904239969 has 16 divisors (see below), whose sum is σ = 3073158144. Its totient is φ = 2739013200.

The previous prime is 2904239893. The next prime is 2904239981. The reversal of 2904239969 is 9699324092.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2904239969 is a prime.

It is a super-2 number, since 2×29042399692 = 16869219595074241922, 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 2904239969.

It is not an unprimeable number, because it can be changed into a prime (2904239269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1203374 + ... + 1205784.

It is an arithmetic number, because the mean of its divisors is an integer number (192072384).

Almost surely, 22904239969 is an apocalyptic number.

It is an amenable number.

2904239969 is a deficient number, since it is larger than the sum of its proper divisors (168918175).

2904239969 is a wasteful number, since it uses less digits than its factorization.

2904239969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3148.

The product of its (nonzero) digits is 1889568, while the sum is 53.

The square root of 2904239969 is about 53891.0008164629. Note that the first 3 decimals coincide. The cubic root of 2904239969 is about 1426.7377947756.

The spelling of 2904239969 in words is "two billion, nine hundred four million, two hundred thirty-nine thousand, nine hundred sixty-nine".

Divisors: 1 23 83 631 1909 2411 14513 52373 55453 200113 1204579 1521341 4602599 34990843 126271303 2904239969