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3249840384 = 28327238761
BaseRepresentation
bin1100000110110100…
…1010000100000000
322101111010222220200
43001231022010000
523123424343014
61254251205200
7143351121210
oct30155120400
98344128820
103249840384
1114184a51aa
12768446800
133ca39c39b
1422b880240
15140495a09
hexc1b4a100

3249840384 has 216 divisors, whose sum is σ = 11175545472. Its totient is φ = 888053760.

The previous prime is 3249840371. The next prime is 3249840439. The reversal of 3249840384 is 4830489423.

It is a super-2 number, since 2×32498403842 = 21122925042954534912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 366564 + ... + 375324.

Almost surely, 23249840384 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 3249840384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5587772736).

3249840384 is an abundant number, since it is smaller than the sum of its proper divisors (7925705088).

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

3249840384 is a wasteful number, since it uses less digits than its factorization.

3249840384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8813 (or 8796 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 3249840384 is about 57007.3713128399. The cubic root of 3249840384 is about 1481.2237844850.

The spelling of 3249840384 in words is "three billion, two hundred forty-nine million, eight hundred forty thousand, three hundred eighty-four".