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3984485568 = 26373173559
BaseRepresentation
bin1110110101111110…
…0110110011000000
3101021200111211122120
43231133212303000
531130012014233
61455213204240
7200511366000
oct35537466300
911250454576
103984485568
111765157a88
12932490680
134b664bb8b
1429b276000
15184c0d4b3
hexed7e6cc0

3984485568 has 224 divisors, whose sum is σ = 13021056000. Its totient is φ = 1071157248.

The previous prime is 3984485567. The next prime is 3984485597. The reversal of 3984485568 is 8655844893.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×39844855682 = 31752250483200565248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3984485567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1117773 + ... + 1121331.

Almost surely, 23984485568 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 3984485568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6510528000).

3984485568 is an abundant number, since it is smaller than the sum of its proper divisors (9036570432).

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

3984485568 is a wasteful number, since it uses less digits than its factorization.

3984485568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612 (or 3588 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 60.

The square root of 3984485568 is about 63122.7816877552. The cubic root of 3984485568 is about 1585.3460907377.

The spelling of 3984485568 in words is "three billion, nine hundred eighty-four million, four hundred eighty-five thousand, five hundred sixty-eight".