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3840069216 = 25340000721
BaseRepresentation
bin1110010011100010…
…1100111001100000
3100220121202201122210
43210320230321200
530331024203331
61433014002120
7164106023034
oct34470547140
910817681583
103840069216
1116a0689925
128b2046340
13492756609
142860021c4
151771d3446
hexe4e2ce60

3840069216 has 24 divisors (see below), whose sum is σ = 10080181944. Its totient is φ = 1280023040.

The previous prime is 3840069193. The next prime is 3840069223. The reversal of 3840069216 is 6129600483.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×38400692162 = 29492263167341709312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20000265 + ... + 20000456.

It is an arithmetic number, because the mean of its divisors is an integer number (420007581).

Almost surely, 23840069216 is an apocalyptic number.

It is an amenable number.

3840069216 is an abundant number, since it is smaller than the sum of its proper divisors (6240112728).

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

3840069216 is a wasteful number, since it uses less digits than its factorization.

3840069216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40000734 (or 40000726 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 3840069216 is about 61968.2920210005. The cubic root of 3840069216 is about 1565.9564651429.

Adding to 3840069216 its reverse (6129600483), we get a palindrome (9969669699).

The spelling of 3840069216 in words is "three billion, eight hundred forty million, sixty-nine thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 40000721 80001442 120002163 160002884 240004326 320005768 480008652 640011536 960017304 1280023072 1920034608 3840069216