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13110828 = 2232367709
BaseRepresentation
bin110010000000…
…111000101100
3220200002200020
4302000320230
511324021303
61145002140
7216303663
oct62007054
926602606
1013110828
1174453a5
124483350
1329407b3
141a53dda
15123ea53
hexc80e2c

13110828 has 48 divisors (see below), whose sum is σ = 32444160. Its totient is φ = 4112064.

The previous prime is 13110821. The next prime is 13110833. The reversal of 13110828 is 82801131.

It is a junction number, because it is equal to n+sod(n) for n = 13110798 and 13110807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13110821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18138 + ... + 18846.

It is an arithmetic number, because the mean of its divisors is an integer number (675920).

Almost surely, 213110828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13110828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16222080).

13110828 is an abundant number, since it is smaller than the sum of its proper divisors (19333332).

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

13110828 is a wasteful number, since it uses less digits than its factorization.

13110828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 13110828 is about 3620.8877364536. The cubic root of 13110828 is about 235.7997679203.

Adding to 13110828 its reverse (82801131), we get a palindrome (95911959).

The spelling of 13110828 in words is "thirteen million, one hundred ten thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 23 46 67 69 92 134 138 201 268 276 402 709 804 1418 1541 2127 2836 3082 4254 4623 6164 8508 9246 16307 18492 32614 47503 48921 65228 95006 97842 142509 190012 195684 285018 570036 1092569 2185138 3277707 4370276 6555414 13110828