Search a number
-
+
130723922 = 2771347379
BaseRepresentation
bin1111100101010…
…11000001010010
3100002222110111202
413302223001102
5231431131142
620545511202
73145064210
oct762530122
9302873452
10130723922
11678768aa
1237942502
1321110144
141350bcb0
15b723032
hex7cab052

130723922 has 32 divisors (see below), whose sum is σ = 228510720. Its totient is φ = 54930960.

The previous prime is 130723919. The next prime is 130723969. The reversal of 130723922 is 229327031.

130723922 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344729 + ... + 345107.

It is an arithmetic number, because the mean of its divisors is an integer number (7140960).

Almost surely, 2130723922 is an apocalyptic number.

130723922 is a deficient number, since it is larger than the sum of its proper divisors (97786798).

130723922 is a wasteful number, since it uses less digits than its factorization.

130723922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 130723922 is about 11433.4562578426. The cubic root of 130723922 is about 507.5182802996.

The spelling of 130723922 in words is "one hundred thirty million, seven hundred twenty-three thousand, nine hundred twenty-two".

Divisors: 1 2 7 14 71 142 347 379 497 694 758 994 2429 2653 4858 5306 24637 26909 49274 53818 131513 172459 188363 263026 344918 376726 920591 1841182 9337423 18674846 65361961 130723922