[go: up one dir, main page]

Search a number
-
+
13054812 = 2235918439
BaseRepresentation
bin110001110011…
…001101011100
3220120020211120
4301303031130
511320223222
61143450540
7215651451
oct61631534
926506746
1013054812
117407301
124456a50
132921154
141a3b828
15122d15c
hexc7335c

13054812 has 24 divisors (see below), whose sum is σ = 30979200. Its totient is φ = 4277616.

The previous prime is 13054807. The next prime is 13054819. The reversal of 13054812 is 21845031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13054819) 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 7 ways as a sum of consecutive naturals, for example, 8512 + ... + 9927.

It is an arithmetic number, because the mean of its divisors is an integer number (1290800).

Almost surely, 213054812 is an apocalyptic number.

13054812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13054812 is an abundant number, since it is smaller than the sum of its proper divisors (17924388).

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

13054812 is a wasteful number, since it uses less digits than its factorization.

13054812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18505 (or 18503 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 13054812 is about 3613.1443370007. The cubic root of 13054812 is about 235.4634704272.

Adding to 13054812 its reverse (21845031), we get a palindrome (34899843).

The spelling of 13054812 in words is "thirteen million, fifty-four thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 59 118 177 236 354 708 18439 36878 55317 73756 110634 221268 1087901 2175802 3263703 4351604 6527406 13054812