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13005146 = 271184449
BaseRepresentation
bin110001100111…
…000101011010
3220110201201002
4301213011122
511312131041
61142425002
7215353610
oct61470532
926421632
1013005146
117382a60
124432162
13290466b
141a276b0
15121d59b
hexc6715a

13005146 has 16 divisors (see below), whose sum is σ = 24321600. Its totient is φ = 5066880.

The previous prime is 13005133. The next prime is 13005173. The reversal of 13005146 is 64150031.

13005146 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

13005146 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42071 + ... + 42378.

It is an arithmetic number, because the mean of its divisors is an integer number (1520100).

Almost surely, 213005146 is an apocalyptic number.

13005146 is a deficient number, since it is larger than the sum of its proper divisors (11316454).

13005146 is a wasteful number, since it uses less digits than its factorization.

13005146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84469.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 13005146 is about 3606.2648266593. The cubic root of 13005146 is about 235.1644902389.

Adding to 13005146 its reverse (64150031), we get a palindrome (77155177).

It can be divided in two parts, 1300 and 5146, that added together give a palindrome (6446).

The spelling of 13005146 in words is "thirteen million, five thousand, one hundred forty-six".

Divisors: 1 2 7 11 14 22 77 154 84449 168898 591143 928939 1182286 1857878 6502573 13005146