Search a number
-
+
13705228 = 225958073
BaseRepresentation
bin110100010010…
…000000001100
3221210022001001
4310102000030
512002031403
61205430044
7224330635
oct64220014
927708031
1013705228
117810a39
12470b324
132abb204
141b6a88c
15130ac1d
hexd1200c

13705228 has 12 divisors (see below), whose sum is σ = 24391080. Its totient is φ = 6736352.

The previous prime is 13705187. The next prime is 13705231. The reversal of 13705228 is 82250731.

It is a junction number, because it is equal to n+sod(n) for n = 13705196 and 13705205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28801 + ... + 29272.

It is an arithmetic number, because the mean of its divisors is an integer number (2032590).

Almost surely, 213705228 is an apocalyptic number.

It is an amenable number.

13705228 is a deficient number, since it is larger than the sum of its proper divisors (10685852).

13705228 is a wasteful number, since it uses less digits than its factorization.

13705228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58136 (or 58134 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 13705228 is about 3702.0572658996. The cubic root of 13705228 is about 239.3106841142.

Adding to 13705228 its reverse (82250731), we get a palindrome (95955959).

The spelling of 13705228 in words is "thirteen million, seven hundred five thousand, two hundred twenty-eight".

Divisors: 1 2 4 59 118 236 58073 116146 232292 3426307 6852614 13705228