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3987938304 = 21032728831
BaseRepresentation
bin1110110110110011…
…0001110000000000
3101021221000020220200
43231230301300000
531131403011204
61455415205200
7200552626200
oct35554616000
911257006820
103987938304
1117670a6089
12933676800
134b728a60c
1429b8d4400
15185191539
hexedb31c00

3987938304 has 198 divisors, whose sum is σ = 13396616064. Its totient is φ = 1139281920.

The previous prime is 3987938281. The next prime is 3987938327. The reversal of 3987938304 is 4038397893.

It is an interprime number because it is at equal distance from previous prime (3987938281) and next prime (3987938327).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 447169 + ... + 455999.

Almost surely, 23987938304 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 3987938304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6698308032).

3987938304 is an abundant number, since it is smaller than the sum of its proper divisors (9408677760).

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

3987938304 is a wasteful number, since it uses less digits than its factorization.

3987938304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8871 (or 8843 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The square root of 3987938304 is about 63150.1251305174. The cubic root of 3987938304 is about 1585.8038831005.

The spelling of 3987938304 in words is "three billion, nine hundred eighty-seven million, nine hundred thirty-eight thousand, three hundred four".