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3755890980 = 2232526977569
BaseRepresentation
bin1101111111011110…
…0101100100100100
3100200202101000211100
43133313211210210
530143002002410
61420405440100
7162034355322
oct33767454444
910622330740
103755890980
111658114536
12889a10030
1347b1924ca
14278b6cd12
1516eb068c0
hexdfde5924

3755890980 has 72 divisors (see below), whose sum is σ = 11435369400. Its totient is φ = 997834752.

The previous prime is 3755890973. The next prime is 3755890981. The reversal of 3755890980 is 890985573.

3755890980 is a `hidden beast` number, since 3 + 7 + 558 + 9 + 0 + 9 + 80 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5308416 + 3750582564 = 2304^2 + 61242^2 .

It is not an unprimeable number, because it can be changed into a prime (3755890981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9636 + ... + 87204.

It is an arithmetic number, because the mean of its divisors is an integer number (158824575).

Almost surely, 23755890980 is an apocalyptic number.

3755890980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3755890980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5717684700).

3755890980 is an abundant number, since it is smaller than the sum of its proper divisors (7679478420).

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

3755890980 is a wasteful number, since it uses less digits than its factorization.

3755890980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77853 (or 77848 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The square root of 3755890980 is about 61285.3243444138. The cubic root of 3755890980 is about 1554.4293671019.

The spelling of 3755890980 in words is "three billion, seven hundred fifty-five million, eight hundred ninety thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 269 538 807 1076 1345 1614 2421 2690 3228 4035 4842 5380 8070 9684 12105 16140 24210 48420 77569 155138 232707 310276 387845 465414 698121 775690 930828 1163535 1396242 1551380 2327070 2792484 3490605 4654140 6981210 13962420 20866061 41732122 62598183 83464244 104330305 125196366 187794549 208660610 250392732 312990915 375589098 417321220 625981830 751178196 938972745 1251963660 1877945490 3755890980