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3928890996 = 2232563193847
BaseRepresentation
bin1110101000101110…
…0001111001110100
3101010210220100020100
43222023201321310
531021244002441
61445505434100
7166235010462
oct35213417164
911123810210
103928890996
111736835a58
1291793b930
134a7c85194
14293b23832
1517edcacb6
hexea2e1e74

3928890996 has 36 divisors (see below), whose sum is σ = 9949054752. Its totient is φ = 1307297424.

The previous prime is 3928890967. The next prime is 3928891009. The reversal of 3928890996 is 6990988293.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 76656 + ... + 117191.

It is an arithmetic number, because the mean of its divisors is an integer number (276362632).

Almost surely, 23928890996 is an apocalyptic number.

3928890996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3928890996 is an abundant number, since it is smaller than the sum of its proper divisors (6020163756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3928890996 is a wasteful number, since it uses less digits than its factorization.

3928890996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194420 (or 194415 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 63.

The square root of 3928890996 is about 62680.8662671473. The cubic root of 3928890996 is about 1577.9382117132.

The spelling of 3928890996 in words is "three billion, nine hundred twenty-eight million, eight hundred ninety thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 563 1126 1689 2252 3378 5067 6756 10134 20268 193847 387694 581541 775388 1163082 1744623 2326164 3489246 6978492 109135861 218271722 327407583 436543444 654815166 982222749 1309630332 1964445498 3928890996