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3828055728 = 243764717609
BaseRepresentation
bin1110010000101011…
…0111111010110000
3100212210011101020210
43210022313322300
530314440240403
61431504304120
7163601636220
oct34412677260
910783141223
103828055728
111694923a22
128aa012040
1349010b443
14284596080
1517610db03
hexe42b7eb0

3828055728 has 80 divisors (see below), whose sum is σ = 11319989760. Its totient is φ = 1091977728.

The previous prime is 3828055711. The next prime is 3828055741. The reversal of 3828055728 is 8275508283.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208588 + ... + 226196.

It is an arithmetic number, because the mean of its divisors is an integer number (141499872).

Almost surely, 23828055728 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 3828055728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5659994880).

3828055728 is an abundant number, since it is smaller than the sum of its proper divisors (7491934032).

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

3828055728 is a wasteful number, since it uses less digits than its factorization.

3828055728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18274 (or 18268 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The square root of 3828055728 is about 61871.2835489939. The cubic root of 3828055728 is about 1564.3217505547.

The spelling of 3828055728 in words is "three billion, eight hundred twenty-eight million, fifty-five thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 647 1294 1941 2588 3882 4529 5176 7764 9058 10352 13587 15528 17609 18116 27174 31056 35218 36232 52827 54348 70436 72464 105654 108696 123263 140872 211308 217392 246526 281744 369789 422616 493052 739578 845232 986104 1479156 1972208 2958312 5916624 11393023 22786046 34179069 45572092 68358138 79751161 91144184 136716276 159502322 182288368 239253483 273432552 319004644 478506966 546865104 638009288 957013932 1276018576 1914027864 3828055728