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13075228 = 2241611307
BaseRepresentation
bin110001111000…
…001100011100
3220121021211201
4301320030130
511321401403
61144125244
7216065125
oct61701434
926537751
1013075228
117420681
124466824
13292a52a
141a4504c
15123421d
hexc7831c

13075228 has 24 divisors (see below), whose sum is σ = 23842224. Its totient is φ = 6268800.

The previous prime is 13075207. The next prime is 13075243. The reversal of 13075228 is 82257031.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 13075196 and 13075205.

It is a congruent number.

It is an unprimeable number.

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, 9351 + ... + 10657.

It is an arithmetic number, because the mean of its divisors is an integer number (993426).

Almost surely, 213075228 is an apocalyptic number.

It is an amenable number.

13075228 is a deficient number, since it is larger than the sum of its proper divisors (10766996).

13075228 is a wasteful number, since it uses less digits than its factorization.

13075228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1411 counting only the distinct ones).

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

The square root of 13075228 is about 3615.9684733139. The cubic root of 13075228 is about 235.5861510764.

It can be divided in two parts, 1307 and 5228, that multiplied together give a square (6832996 = 26142).

The spelling of 13075228 in words is "thirteen million, seventy-five thousand, two hundred twenty-eight".

Divisors: 1 2 4 41 61 82 122 164 244 1307 2501 2614 5002 5228 10004 53587 79727 107174 159454 214348 318908 3268807 6537614 13075228