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134686430 = 2525035381
BaseRepresentation
bin10000000011100…
…10011011011110
3100101102210001022
420001302123132
5233434431210
621210444142
73223546544
oct1001623336
9311383038
10134686430
116a0329aa
1239133652
1321b99918
1413c5dd94
15bc57155
hex80726de

134686430 has 16 divisors (see below), whose sum is σ = 242577504. Its totient is φ = 53843040.

The previous prime is 134686403. The next prime is 134686441. The reversal of 134686430 is 34686431.

It is a super-2 number, since 2×1346864302 = 36280868852289800, 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22340 + ... + 27720.

It is an arithmetic number, because the mean of its divisors is an integer number (15161094).

Almost surely, 2134686430 is an apocalyptic number.

134686430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134686430 is a deficient number, since it is larger than the sum of its proper divisors (107891074).

134686430 is a wasteful number, since it uses less digits than its factorization.

134686430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 134686430 is about 11605.4482894889. The cubic root of 134686430 is about 512.5952930081.

Subtracting from 134686430 its reverse (34686431), we obtain a palindrome (99999999).

The spelling of 134686430 in words is "one hundred thirty-four million, six hundred eighty-six thousand, four hundred thirty".

Divisors: 1 2 5 10 2503 5006 5381 10762 12515 25030 26905 53810 13468643 26937286 67343215 134686430