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18176068 = 2225717681
BaseRepresentation
bin100010101010…
…1100001000100
31021012102212201
41011111201010
514123113233
61445324244
7310331311
oct105254104
937172781
1018176068
11a294a49
126106684
1339c5191
1425b1d08
1518e077d
hex1155844

18176068 has 12 divisors (see below), whose sum is σ = 31933692. Its totient is φ = 9052160.

The previous prime is 18176033. The next prime is 18176089. The reversal of 18176068 is 86067181.

It can be written as a sum of positive squares in 2 ways, for example, as 12830724 + 5345344 = 3582^2 + 2312^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7813 + ... + 9868.

It is an arithmetic number, because the mean of its divisors is an integer number (2661141).

Almost surely, 218176068 is an apocalyptic number.

It is an amenable number.

18176068 is a deficient number, since it is larger than the sum of its proper divisors (13757624).

18176068 is a wasteful number, since it uses less digits than its factorization.

18176068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17942 (or 17940 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 18176068 is about 4263.3400052072. The cubic root of 18176068 is about 262.9258659427.

The spelling of 18176068 in words is "eighteen million, one hundred seventy-six thousand, sixty-eight".

Divisors: 1 2 4 257 514 1028 17681 35362 70724 4544017 9088034 18176068