Search a number
-
+
130444346 = 2619105367
BaseRepresentation
bin1111100011001…
…10110000111010
3100002110021000002
413301212300322
5231343204341
620535513002
73142521134
oct761466072
9302407002
10130444346
11676a584a
1237828762
1321042b06
1413478054
15b6ba29b
hex7c66c3a

130444346 has 8 divisors (see below), whose sum is σ = 195984480. Its totient is φ = 65116188.

The previous prime is 130444343. The next prime is 130444361. The reversal of 130444346 is 643444031.

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

It is not an unprimeable number, because it can be changed into a prime (130444343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51446 + ... + 53921.

It is an arithmetic number, because the mean of its divisors is an integer number (24498060).

Almost surely, 2130444346 is an apocalyptic number.

130444346 is a deficient number, since it is larger than the sum of its proper divisors (65540134).

130444346 is a wasteful number, since it uses less digits than its factorization.

130444346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105988.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 130444346 is about 11421.2234896267. The cubic root of 130444346 is about 507.1562164909.

Adding to 130444346 its reverse (643444031), we get a palindrome (773888377).

The spelling of 130444346 in words is "one hundred thirty million, four hundred forty-four thousand, three hundred forty-six".

Divisors: 1 2 619 1238 105367 210734 65222173 130444346