Search a number
-
+
3830707720 = 235713681099
BaseRepresentation
bin1110010001010011…
…1111011000001000
3100212222011010002201
43210110333120020
530321130121340
61432041205544
7163633323040
oct34424773010
910788133081
103830707720
111696375454
128aaa908b4
13490829578
14284a86720
1517648479a
hexe453f608

3830707720 has 32 divisors (see below), whose sum is σ = 9850392000. Its totient is φ = 1313385408.

The previous prime is 3830707669. The next prime is 3830707721. The reversal of 3830707720 is 277070383.

It is a self number, because there is not a number n which added to its sum of digits gives 3830707720.

It is not an unprimeable number, because it can be changed into a prime (3830707721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6840270 + ... + 6840829.

It is an arithmetic number, because the mean of its divisors is an integer number (307824750).

Almost surely, 23830707720 is an apocalyptic number.

It is an amenable number.

3830707720 is an abundant number, since it is smaller than the sum of its proper divisors (6019684280).

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

3830707720 is a wasteful number, since it uses less digits than its factorization.

3830707720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13681117 (or 13681113 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 3830707720 is about 61892.7113641017. The cubic root of 3830707720 is about 1564.6829096234.

The spelling of 3830707720 in words is "three billion, eight hundred thirty million, seven hundred seven thousand, seven hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 13681099 27362198 54724396 68405495 95767693 109448792 136810990 191535386 273621980 383070772 478838465 547243960 766141544 957676930 1915353860 3830707720