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8118828 = 2232225523
BaseRepresentation
bin11110111110001000101100
3120021110221100
4132332020230
54034300303
6450003100
7126003024
oct36761054
916243840
108118828
114645883
122876490
1318b3553
141114a84
15aa58a3
hex7be22c

8118828 has 18 divisors (see below), whose sum is σ = 20522684. Its totient is φ = 2706264.

The previous prime is 8118823. The next prime is 8118829. The reversal of 8118828 is 8288118.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 225523 = 8118828 / (8 + 1 + 1 + 8 + 8 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 8118792 and 8118801.

It is not an unprimeable number, because it can be changed into a prime (8118823) 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 5 ways as a sum of consecutive naturals, for example, 112726 + ... + 112797.

Almost surely, 28118828 is an apocalyptic number.

It is an amenable number.

8118828 is an abundant number, since it is smaller than the sum of its proper divisors (12403856).

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

8118828 is a wasteful number, since it uses less digits than its factorization.

8118828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225533 (or 225528 counting only the distinct ones).

The product of its digits is 8192, while the sum is 36.

The square root of 8118828 is about 2849.3557166489. The cubic root of 8118828 is about 200.9853705845.

The spelling of 8118828 in words is "eight million, one hundred eighteen thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 225523 451046 676569 902092 1353138 2029707 2706276 4059414 8118828