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130434345 = 3252898541
BaseRepresentation
bin1111100011001…
…00010100101001
3100002102202021200
413301210110221
5231342344340
620535354413
73142450026
oct761442451
9302382250
10130434345
1167699288
1237822a09
132103b3b2
141347454d
15b6b7330
hex7c64529

130434345 has 12 divisors (see below), whose sum is σ = 226086276. Its totient is φ = 69564960.

The previous prime is 130434331. The next prime is 130434371. The reversal of 130434345 is 543434031.

It can be written as a sum of positive squares in 2 ways, for example, as 73462041 + 56972304 = 8571^2 + 7548^2 .

It is not a de Polignac number, because 130434345 - 28 = 130434089 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 1449226 + ... + 1449315.

It is an arithmetic number, because the mean of its divisors is an integer number (18840523).

Almost surely, 2130434345 is an apocalyptic number.

130434345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130434345 is a deficient number, since it is larger than the sum of its proper divisors (95651931).

130434345 is a wasteful number, since it uses less digits than its factorization.

130434345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898552 (or 2898549 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 130434345 is about 11420.7856559871. The cubic root of 130434345 is about 507.1432551550.

Adding to 130434345 its reverse (543434031), we get a palindrome (673868376).

The spelling of 130434345 in words is "one hundred thirty million, four hundred thirty-four thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 45 2898541 8695623 14492705 26086869 43478115 130434345