Search a number
-
+
8216118 = 232456451
BaseRepresentation
bin11111010101111000110110
3120110102101200
4133111320312
54100403433
6452033330
7126556461
oct37257066
916412350
108216118
114701989
122902846
131918911
14113c2d8
15ac4613
hex7d5e36

8216118 has 12 divisors (see below), whose sum is σ = 17801628. Its totient is φ = 2738700.

The previous prime is 8216111. The next prime is 8216123. The reversal of 8216118 is 8116128.

It is a junction number, because it is equal to n+sod(n) for n = 8216091 and 8216100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8216111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 228208 + ... + 228243.

It is an arithmetic number, because the mean of its divisors is an integer number (1483469).

Almost surely, 28216118 is an apocalyptic number.

8216118 is an abundant number, since it is smaller than the sum of its proper divisors (9585510).

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

8216118 is a wasteful number, since it uses less digits than its factorization.

8216118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456459 (or 456456 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 8216118 is about 2866.3771559235. The cubic root of 8216118 is about 201.7850047285.

The spelling of 8216118 in words is "eight million, two hundred sixteen thousand, one hundred eighteen".

Divisors: 1 2 3 6 9 18 456451 912902 1369353 2738706 4108059 8216118