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13540430 = 251354043
BaseRepresentation
bin110011101001…
…110001001110
3221110220222102
4303221301032
511431243210
61202115102
7223043321
oct63516116
927426872
1013540430
117709142
12464ba92
132a611b7
141b267b8
1512c6ea5
hexce9c4e

13540430 has 8 divisors (see below), whose sum is σ = 24372792. Its totient is φ = 5416168.

The previous prime is 13540421. The next prime is 13540433. The reversal of 13540430 is 3404531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13540433) 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 3 ways as a sum of consecutive naturals, for example, 677012 + ... + 677031.

It is an arithmetic number, because the mean of its divisors is an integer number (3046599).

Almost surely, 213540430 is an apocalyptic number.

13540430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13540430 is a deficient number, since it is larger than the sum of its proper divisors (10832362).

13540430 is a wasteful number, since it uses less digits than its factorization.

13540430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354050.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13540430 is about 3679.7323272216. The cubic root of 13540430 is about 238.3476195108.

Adding to 13540430 its reverse (3404531), we get a palindrome (16944961).

The spelling of 13540430 in words is "thirteen million, five hundred forty thousand, four hundred thirty".

Divisors: 1 2 5 10 1354043 2708086 6770215 13540430