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3806997740 = 2257139772141
BaseRepresentation
bin1110001011101010…
…0010110011101100
3100211022112112010022
43202322202303230
530244042411430
61425433101312
7163224642530
oct34272426354
910738475108
103806997740
111683a50827
128a2b57838
134889475b0
14281873bc0
1517434e4e5
hexe2ea2cec

3806997740 has 96 divisors (see below), whose sum is σ = 9854296704. Its totient is φ = 1203056640.

The previous prime is 3806997737. The next prime is 3806997751. The reversal of 3806997740 is 477996083.

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 31 ways as a sum of consecutive naturals, for example, 1777070 + ... + 1779210.

It is an arithmetic number, because the mean of its divisors is an integer number (102648924).

Almost surely, 23806997740 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 3806997740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4927148352).

3806997740 is an abundant number, since it is smaller than the sum of its proper divisors (6047298964).

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

3806997740 is a wasteful number, since it uses less digits than its factorization.

3806997740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147 (or 3145 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 3806997740 is about 61700.8730894466. The cubic root of 3806997740 is about 1561.4480500371.

The spelling of 3806997740 in words is "three billion, eight hundred six million, nine hundred ninety-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 977 1820 1954 2141 3908 4282 4885 6839 8564 9770 10705 12701 13678 14987 19540 21410 25402 27356 27833 29974 34195 42820 50804 55666 59948 63505 68390 74935 88907 111332 127010 136780 139165 149870 177814 194831 254020 278330 299740 355628 389662 444535 556660 779324 889070 974155 1778140 1948310 2091757 3896620 4183514 8367028 10458785 14642299 20917570 27192841 29284598 41835140 54385682 58569196 73211495 108771364 135964205 146422990 190349887 271928410 292845980 380699774 543856820 761399548 951749435 1903498870 3806997740