Search a number
-
+
130433779 = 724177317
BaseRepresentation
bin1111100011001…
…00001011110011
3100002102201111201
413301210023303
5231342340104
620535352031
73142445260
oct761441363
9302381451
10130433779
1167698913
1237822617
132103b068
1413474267
15b6b70a4
hex7c642f3

130433779 has 8 divisors (see below), whose sum is σ = 149687648. Its totient is φ = 111335040.

The previous prime is 130433777. The next prime is 130433801. The reversal of 130433779 is 977334031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130433779 - 21 = 130433777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130433773) 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, 36972 + ... + 40345.

It is an arithmetic number, because the mean of its divisors is an integer number (18710956).

Almost surely, 2130433779 is an apocalyptic number.

130433779 is a deficient number, since it is larger than the sum of its proper divisors (19253869).

130433779 is an equidigital number, since it uses as much as digits as its factorization.

130433779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77565.

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 130433779 is about 11420.7608765791. The cubic root of 130433779 is about 507.1425215970.

The spelling of 130433779 in words is "one hundred thirty million, four hundred thirty-three thousand, seven hundred seventy-nine".

Divisors: 1 7 241 1687 77317 541219 18633397 130433779