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13343427 = 332321487
BaseRepresentation
bin110010111001…
…101011000011
3221002220202000
4302321223003
511403442202
61153555043
7221263056
oct62715303
927086660
1013343427
117594129
124575a83
1329c2626
141ab4a9d
15128891c
hexcb9ac3

13343427 has 16 divisors (see below), whose sum is σ = 20628480. Its totient is φ = 8508456.

The previous prime is 13343387. The next prime is 13343431. The reversal of 13343427 is 72434331.

It is not a de Polignac number, because 13343427 - 218 = 13081283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 13343427.

It is not an unprimeable number, because it can be changed into a prime (13343497) 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 15 ways as a sum of consecutive naturals, for example, 10123 + ... + 11364.

It is an arithmetic number, because the mean of its divisors is an integer number (1289280).

Almost surely, 213343427 is an apocalyptic number.

13343427 is a deficient number, since it is larger than the sum of its proper divisors (7285053).

13343427 is a wasteful number, since it uses less digits than its factorization.

13343427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21519 (or 21513 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 13343427 is about 3652.8655874532. The cubic root of 13343427 is about 237.1860420320.

Adding to 13343427 its reverse (72434331), we get a palindrome (85777758).

It can be divided in two parts, 1334 and 3427, that added together give a square (4761 = 692).

The spelling of 13343427 in words is "thirteen million, three hundred forty-three thousand, four hundred twenty-seven".

Divisors: 1 3 9 23 27 69 207 621 21487 64461 193383 494201 580149 1482603 4447809 13343427