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130434332 = 22723319993
BaseRepresentation
bin1111100011001…
…00010100011100
3100002102202021012
413301210110130
5231342344312
620535354352
73142450010
oct761442434
9302382235
10130434332
1167699276
12378229b8
132103b3a2
1413474540
15b6b7322
hex7c6451c

130434332 has 24 divisors (see below), whose sum is σ = 262001376. Its totient is φ = 55657728.

The previous prime is 130434331. The next prime is 130434371. The reversal of 130434332 is 233434031.

It is a super-2 number, since 2×1304343322 = 34026229928572448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130434298 and 130434307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130434331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3473 + ... + 16520.

It is an arithmetic number, because the mean of its divisors is an integer number (10916724).

Almost surely, 2130434332 is an apocalyptic number.

It is an amenable number.

130434332 is an abundant number, since it is smaller than the sum of its proper divisors (131567044).

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

130434332 is a wasteful number, since it uses less digits than its factorization.

130434332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20237 (or 20235 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 130434332 is about 11420.7850868493. The cubic root of 130434332 is about 507.1432383065.

Adding to 130434332 its reverse (233434031), we get a palindrome (363868363).

The spelling of 130434332 in words is "one hundred thirty million, four hundred thirty-four thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 233 466 932 1631 3262 6524 19993 39986 79972 139951 279902 559804 4658369 9316738 18633476 32608583 65217166 130434332