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13005354 = 237130529
BaseRepresentation
bin110001100111…
…001000101010
3220110201222210
4301213020222
511312132404
61142425550
7215354325
oct61471052
926421883
1013005354
11738312a
1244322b6
13290479b
141a277bc
15121d689
hexc6722a

13005354 has 16 divisors (see below), whose sum is σ = 26377920. Its totient is φ = 4273920.

The previous prime is 13005331. The next prime is 13005359. The reversal of 13005354 is 45350031.

It is a self number, because there is not a number n which added to its sum of digits gives 13005354.

It is not an unprimeable number, because it can be changed into a prime (13005359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14839 + ... + 15690.

It is an arithmetic number, because the mean of its divisors is an integer number (1648620).

Almost surely, 213005354 is an apocalyptic number.

13005354 is an abundant number, since it is smaller than the sum of its proper divisors (13372566).

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

13005354 is a wasteful number, since it uses less digits than its factorization.

13005354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30605.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 13005354 is about 3606.2936652469. The cubic root of 13005354 is about 235.1657439466.

Adding to 13005354 its reverse (45350031), we get a palindrome (58355385).

The spelling of 13005354 in words is "thirteen million, five thousand, three hundred fifty-four".

Divisors: 1 2 3 6 71 142 213 426 30529 61058 91587 183174 2167559 4335118 6502677 13005354