Search a number
-
+
855149260 = 2257311031913
BaseRepresentation
bin110010111110001…
…000101011001100
32012121010002020211
4302332020223030
53222404234020
6220504452204
730122435350
oct6276105314
92177102224
10855149260
113a9789329
121ba47a064
13108221ca4
1481803460
155011c85a
hex32f88acc

855149260 has 96 divisors (see below), whose sum is σ = 2140250112. Its totient is φ = 280834560.

The previous prime is 855149257. The next prime is 855149279. The reversal of 855149260 is 62941558.

855149260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446064 + ... + 447976.

It is an arithmetic number, because the mean of its divisors is an integer number (22294272).

Almost surely, 2855149260 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 855149260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1070125056).

855149260 is an abundant number, since it is smaller than the sum of its proper divisors (1285100852).

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

855149260 is a wasteful number, since it uses less digits than its factorization.

855149260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063 (or 2061 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 855149260 is about 29242.9352151934. The cubic root of 855149260 is about 949.1772229788.

The spelling of 855149260 in words is "eight hundred fifty-five million, one hundred forty-nine thousand, two hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 103 124 140 155 206 217 310 412 434 515 620 721 868 1030 1085 1442 1913 2060 2170 2884 3193 3605 3826 4340 6386 7210 7652 9565 12772 13391 14420 15965 19130 22351 26782 31930 38260 44702 53564 59303 63860 66955 89404 111755 118606 133910 197039 223510 237212 267820 296515 394078 415121 447020 593030 788156 830242 985195 1186060 1379273 1660484 1970390 2075605 2758546 3940780 4151210 5517092 6108209 6896365 8302420 12216418 13792730 24432836 27585460 30541045 42757463 61082090 85514926 122164180 171029852 213787315 427574630 855149260