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3843968305 = 514926919181
BaseRepresentation
bin1110010100011110…
…0100110100110001
3100220220002211012111
43211013210310301
530333023441210
61433233325321
7164154122452
oct34507446461
910826084174
103843968305
1116a2902311
128b3406841
134934c0278
14286739129
1517770388a
hexe51e4d31

3843968305 has 16 divisors (see below), whose sum is σ = 4661226000. Its totient is φ = 3043022080.

The previous prime is 3843968279. The next prime is 3843968327. The reversal of 3843968305 is 5038693483.

It is a happy number.

3843968305 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 624200256 + 3219768049 = 24984^2 + 56743^2 .

It is not a de Polignac number, because 3843968305 - 211 = 3843966257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190815 + ... + 209995.

It is an arithmetic number, because the mean of its divisors is an integer number (291326625).

Almost surely, 23843968305 is an apocalyptic number.

It is an amenable number.

3843968305 is a deficient number, since it is larger than the sum of its proper divisors (817257695).

3843968305 is a wasteful number, since it uses less digits than its factorization.

3843968305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19604.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The square root of 3843968305 is about 61999.7443946344. The cubic root of 3843968305 is about 1566.4862939820.

The spelling of 3843968305 in words is "three billion, eight hundred forty-three million, nine hundred sixty-eight thousand, three hundred five".

Divisors: 1 5 149 269 745 1345 19181 40081 95905 200405 2857969 5159689 14289845 25798445 768793661 3843968305