Search a number
-
+
2831229072 = 24337936253
BaseRepresentation
bin1010100011000001…
…0010000010010000
321022022110100011000
42220300102002100
521244243312242
61144535022000
7130106023110
oct25060220220
97268410130
102831229072
111223178341
1267020a900
13361742799
141cc033040
15118857a4c
hexa8c12090

2831229072 has 80 divisors (see below), whose sum is σ = 9287639680. Its totient is φ = 808921728.

The previous prime is 2831229067. The next prime is 2831229073. The reversal of 2831229072 is 2709221382.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2831229073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465103 + ... + 471150.

It is an arithmetic number, because the mean of its divisors is an integer number (116095496).

Almost surely, 22831229072 is an apocalyptic number.

It is an amenable number.

2831229072 is an abundant number, since it is smaller than the sum of its proper divisors (6456410608).

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

2831229072 is a wasteful number, since it uses less digits than its factorization.

2831229072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936277 (or 936265 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2831229072 is about 53209.2949774755. The cubic root of 2831229072 is about 1414.6803994605.

The spelling of 2831229072 in words is "two billion, eight hundred thirty-one million, two hundred twenty-nine thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 84 108 112 126 144 168 189 216 252 336 378 432 504 756 1008 1512 3024 936253 1872506 2808759 3745012 5617518 6553771 7490024 8426277 11235036 13107542 14980048 16852554 19661313 22470072 25278831 26215084 33705108 39322626 44940144 50557662 52430168 58983939 67410216 78645252 101115324 104860336 117967878 134820432 157290504 176951817 202230648 235935756 314581008 353903634 404461296 471871512 707807268 943743024 1415614536 2831229072