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3988764288 = 27323462469
BaseRepresentation
bin1110110110111111…
…1011011010000000
3101021222120012221200
43231233323122000
531132110424123
61455445021200
7200562636255
oct35557733200
911258505850
103988764288
11176760a713
129339b4800
134b74b9572
1429ba6b42c
151852a6143
hexedbfb680

3988764288 has 48 divisors (see below), whose sum is σ = 11478088050. Its totient is φ = 1329587712.

The previous prime is 3988764239. The next prime is 3988764289. The reversal of 3988764288 is 8824678893.

It can be written as a sum of positive squares in only one way, i.e., 2704832064 + 1283932224 = 52008^2 + 35832^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (3988764289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1730083 + ... + 1732386.

Almost surely, 23988764288 is an apocalyptic number.

It is an amenable number.

3988764288 is an abundant number, since it is smaller than the sum of its proper divisors (7489323762).

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

3988764288 is a wasteful number, since it uses less digits than its factorization.

3988764288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462489 (or 3462474 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 63.

The square root of 3988764288 is about 63156.6646364420. The cubic root of 3988764288 is about 1585.9133597367.

The spelling of 3988764288 in words is "three billion, nine hundred eighty-eight million, seven hundred sixty-four thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 3462469 6924938 10387407 13849876 20774814 27699752 31162221 41549628 55399504 62324442 83099256 110799008 124648884 166198512 221598016 249297768 332397024 443196032 498595536 664794048 997191072 1329588096 1994382144 3988764288