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3875023780 = 2251961349479
BaseRepresentation
bin1110011011111000…
…0010101110100100
3101000001112121022021
43212332002232210
530414001230110
61440303112524
7165012105265
oct34676025644
911001477267
103875023780
1117093937a1
129018a2744
13499a747a4
1428a90096c
1517a2da2da
hexe6f82ba4

3875023780 has 96 divisors (see below), whose sum is σ = 8749440000. Its totient is φ = 1437212160.

The previous prime is 3875023753. The next prime is 3875023783. The reversal of 3875023780 is 873205783.

It is not an unprimeable number, because it can be changed into a prime (3875023783) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 8089581 + ... + 8090059.

It is an arithmetic number, because the mean of its divisors is an integer number (91140000).

Almost surely, 23875023780 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 3875023780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4374720000).

3875023780 is an abundant number, since it is smaller than the sum of its proper divisors (4874416220).

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

3875023780 is a wasteful number, since it uses less digits than its factorization.

3875023780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 3875023780 is about 62249.6889952070. The cubic root of 3875023780 is about 1570.6935391797.

The spelling of 3875023780 in words is "three billion, eight hundred seventy-five million, twenty-three thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 61 76 95 122 190 244 305 349 380 479 610 698 958 1159 1220 1396 1745 1916 2318 2395 3490 4636 4790 5795 6631 6980 9101 9580 11590 13262 18202 21289 23180 26524 29219 33155 36404 42578 45505 58438 66310 85156 91010 106445 116876 132620 146095 167171 182020 212890 292190 334342 404491 425780 555161 584380 668684 808982 835855 1110322 1617964 1671710 2022455 2220644 2775805 3176249 3343420 4044910 5551610 6352498 8089820 10197431 11103220 12704996 15881245 20394862 31762490 40789724 50987155 63524980 101974310 193751189 203948620 387502378 775004756 968755945 1937511890 3875023780