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134205430 = 2550326681
BaseRepresentation
bin1111111111111…
…00111111110110
3100100112100020111
413333330333312
5233324033210
621152253234
73216504322
oct777747766
9310470214
10134205430
1169834587
1238b4121a
1321a5b9c8
1413b76982
15bbae88a
hex7ffcff6

134205430 has 16 divisors (see below), whose sum is σ = 242059104. Its totient is φ = 53573440.

The previous prime is 134205403. The next prime is 134205443. The reversal of 134205430 is 34502431.

It is a super-2 number, since 2×1342054302 = 36022194882969800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8311 + ... + 18370.

It is an arithmetic number, because the mean of its divisors is an integer number (15128694).

Almost surely, 2134205430 is an apocalyptic number.

134205430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134205430 is a deficient number, since it is larger than the sum of its proper divisors (107853674).

134205430 is a wasteful number, since it uses less digits than its factorization.

134205430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27191.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 134205430 is about 11584.7067291322. The cubic root of 134205430 is about 511.9843618067.

Adding to 134205430 its reverse (34502431), we get a palindrome (168707861).

The spelling of 134205430 in words is "one hundred thirty-four million, two hundred five thousand, four hundred thirty".

Divisors: 1 2 5 10 503 1006 2515 5030 26681 53362 133405 266810 13420543 26841086 67102715 134205430