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13418743 = 131032211
BaseRepresentation
bin110011001100…
…000011110111
3221020202001111
4303030003313
511413344433
61155335451
7222025462
oct63140367
927222044
1013418743
117635778
1245b1587
132a1a9b0
141ad42d9
1512a0dcd
hexccc0f7

13418743 has 4 divisors (see below), whose sum is σ = 14450968. Its totient is φ = 12386520.

The previous prime is 13418681. The next prime is 13418749. The reversal of 13418743 is 34781431.

13418743 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13418743 - 221 = 11321591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13418749) 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, 516093 + ... + 516118.

It is an arithmetic number, because the mean of its divisors is an integer number (3612742).

Almost surely, 213418743 is an apocalyptic number.

13418743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13418743 is a deficient number, since it is larger than the sum of its proper divisors (1032225).

13418743 is a wasteful number, since it uses less digits than its factorization.

13418743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032224.

The product of its digits is 8064, while the sum is 31.

The square root of 13418743 is about 3663.1602476550. The cubic root of 13418743 is about 237.6314647969.

It can be divided in two parts, 13418 and 743, that added together give a square (14161 = 1192).

The spelling of 13418743 in words is "thirteen million, four hundred eighteen thousand, seven hundred forty-three".

Divisors: 1 13 1032211 13418743