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3004712784 = 243226977569
BaseRepresentation
bin1011001100011000…
…0100011101010000
321202101220020001200
42303012010131100
522123201302114
61214053231200
7134313431403
oct26306043520
97671806050
103004712784
11130209a207
126ba332500
1338b674678
142070b1d3a
15128bc5409
hexb3184750

3004712784 has 60 divisors (see below), whose sum is σ = 8440391700. Its totient is φ = 997834752.

The previous prime is 3004712783. The next prime is 3004712791. The reversal of 3004712784 is 4872174003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 693795600 + 2310917184 = 26340^2 + 48072^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3004712783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49 + ... + 77520.

It is an arithmetic number, because the mean of its divisors is an integer number (140673195).

Almost surely, 23004712784 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 3004712784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4220195850).

3004712784 is an abundant number, since it is smaller than the sum of its proper divisors (5435678916).

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

3004712784 is a wasteful number, since it uses less digits than its factorization.

3004712784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77852 (or 77843 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 3004712784 is about 54815.2605028928. The cubic root of 3004712784 is about 1443.0043985960.

Adding to 3004712784 its reverse (4872174003), we get a palindrome (7876886787).

The spelling of 3004712784 in words is "three billion, four million, seven hundred twelve thousand, seven hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 269 538 807 1076 1614 2152 2421 3228 4304 4842 6456 9684 12912 19368 38736 77569 155138 232707 310276 465414 620552 698121 930828 1241104 1396242 1861656 2792484 3723312 5584968 11169936 20866061 41732122 62598183 83464244 125196366 166928488 187794549 250392732 333856976 375589098 500785464 751178196 1001570928 1502356392 3004712784