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3806890000 = 24546172
BaseRepresentation
bin1110001011101000…
…1000100000010000
3100211022100001022221
43202322020200100
530244030440000
61425430510424
7163224013444
oct34272104020
910738301287
103806890000
111683987891
128a2b05414
1348890a544
14281846824
1517432c61a
hexe2e88810

3806890000 has 75 divisors (see below), whose sum is σ = 9231823777. Its totient is φ = 1520288000.

The previous prime is 3806889997. The next prime is 3806890037. The reversal of 3806890000 is 986083.

The square root of 3806890000 is 61700.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 3758670864 + 48219136 = 61308^2 + 6944^2 .

It is a super-2 number, since 2×38068900002 = 28984822944200000000, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 6169692 + ... + 6170308.

Almost surely, 23806890000 is an apocalyptic number.

3806890000 is the 61700-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3806890000

3806890000 is an abundant number, since it is smaller than the sum of its proper divisors (5424933777).

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

3806890000 is an frugal number, since it uses more digits than its factorization.

3806890000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The cubic root of 3806890000 is about 1561.4333199697.

The spelling of 3806890000 in words is "three billion, eight hundred six million, eight hundred ninety thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 617 625 1000 1234 1250 2000 2468 2500 3085 4936 5000 6170 9872 10000 12340 15425 24680 30850 49360 61700 77125 123400 154250 246800 308500 380689 385625 617000 761378 771250 1234000 1522756 1542500 1903445 3045512 3085000 3806890 6091024 6170000 7613780 9517225 15227560 19034450 30455120 38068900 47586125 76137800 95172250 152275600 190344500 237930625 380689000 475861250 761378000 951722500 1903445000 3806890000