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13430418 = 236733409
BaseRepresentation
bin110011001110…
…111010010010
3221021100001220
4303032322102
511414233133
61155505510
7222104511
oct63167222
927240056
1013430418
117643521
1245b8296
132a230c1
141ad8678
1512a45b3
hexccee92

13430418 has 16 divisors (see below), whose sum is σ = 27262560. Its totient is φ = 4409856.

The previous prime is 13430407. The next prime is 13430419. The reversal of 13430418 is 81403431.

It is a super-2 number, since 2×134304182 = 360752255309448, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13430419) 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, 16303 + ... + 17106.

It is an arithmetic number, because the mean of its divisors is an integer number (1703910).

Almost surely, 213430418 is an apocalyptic number.

13430418 is an abundant number, since it is smaller than the sum of its proper divisors (13832142).

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

13430418 is a wasteful number, since it uses less digits than its factorization.

13430418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33481.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 13430418 is about 3664.7534705625. The cubic root of 13430418 is about 237.7003620384.

Adding to 13430418 its reverse (81403431), we get a palindrome (94833849).

The spelling of 13430418 in words is "thirteen million, four hundred thirty thousand, four hundred eighteen".

Divisors: 1 2 3 6 67 134 201 402 33409 66818 100227 200454 2238403 4476806 6715209 13430418