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3888902664 = 23347975967
BaseRepresentation
bin1110011111001011…
…1111001000001000
3101001000122201120000
43213302333020020
530431024341124
61441520403000
7165241061433
oct34762771010
911030581500
103888902664
111716203149
12906476460
1349c8c3a4a
1428c6b481a
1517b62c6c9
hexe7cbf208

3888902664 has 80 divisors (see below), whose sum is σ = 11030553600. Its totient is φ = 1279875168.

The previous prime is 3888902659. The next prime is 3888902681. The reversal of 3888902664 is 4662098883.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 3888902664.

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 19 ways as a sum of consecutive naturals, for example, 13209 + ... + 89175.

It is an arithmetic number, because the mean of its divisors is an integer number (137881920).

Almost surely, 23888902664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3888902664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5515276800).

3888902664 is an abundant number, since it is smaller than the sum of its proper divisors (7141650936).

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

3888902664 is a wasteful number, since it uses less digits than its factorization.

3888902664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76064 (or 76051 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The square root of 3888902664 is about 62361.0668927336. The cubic root of 3888902664 is about 1572.5665168679.

The spelling of 3888902664 in words is "three billion, eight hundred eighty-eight million, nine hundred two thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 79 81 108 158 162 216 237 316 324 474 632 648 711 948 1422 1896 2133 2844 4266 5688 6399 8532 12798 17064 25596 51192 75967 151934 227901 303868 455802 607736 683703 911604 1367406 1823208 2051109 2734812 4102218 5469624 6001393 6153327 8204436 12002786 12306654 16408872 18004179 24005572 24613308 36008358 48011144 49226616 54012537 72016716 108025074 144033432 162037611 216050148 324075222 432100296 486112833 648150444 972225666 1296300888 1944451332 3888902664