Search a number
-
+
130434518 = 2232997777
BaseRepresentation
bin1111100011001…
…00010111010110
3100002102202112002
413301210113112
5231342401033
620535355302
73142450364
oct761442726
9302382462
10130434518
1167699425
1237822b32
132103b4b6
1413474634
15b6b73e8
hex7c645d6

130434518 has 16 divisors (see below), whose sum is σ = 211200480. Its totient is φ = 60230016.

The previous prime is 130434497. The next prime is 130434527. The reversal of 130434518 is 815434031.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47555 + ... + 50222.

It is an arithmetic number, because the mean of its divisors is an integer number (13200030).

Almost surely, 2130434518 is an apocalyptic number.

130434518 is a deficient number, since it is larger than the sum of its proper divisors (80765962).

130434518 is a wasteful number, since it uses less digits than its factorization.

130434518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97831.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 130434518 is about 11420.7932298943. The cubic root of 130434518 is about 507.1434793694.

Adding to 130434518 its reverse (815434031), we get a palindrome (945868549).

The spelling of 130434518 in words is "one hundred thirty million, four hundred thirty-four thousand, five hundred eighteen".

Divisors: 1 2 23 29 46 58 667 1334 97777 195554 2248871 2835533 4497742 5671066 65217259 130434518