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18718096 = 242694349
BaseRepresentation
bin100011101100…
…1110110010000
31022012222101211
41013121312100
514242434341
61505105504
7315046465
oct107316620
938188354
1018718096
11a625201
126328294
133b54ac7
1426b366c
15199b181
hex11d9d90

18718096 has 20 divisors (see below), whose sum is σ = 36409500. Its totient is φ = 9322112.

The previous prime is 18718093. The next prime is 18718103. The reversal of 18718096 is 69081781.

It can be written as a sum of positive squares in 2 ways, for example, as 774400 + 17943696 = 880^2 + 4236^2 .

It is a super-3 number, since 3×187180963 (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (18718093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2130 + ... + 6478.

It is an arithmetic number, because the mean of its divisors is an integer number (1820475).

Almost surely, 218718096 is an apocalyptic number.

18718096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18718096 is a deficient number, since it is larger than the sum of its proper divisors (17691404).

18718096 is a wasteful number, since it uses less digits than its factorization.

18718096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626 (or 4620 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 18718096 is about 4326.4414938839. The cubic root of 18718096 is about 265.5138764894.

The spelling of 18718096 in words is "eighteen million, seven hundred eighteen thousand, ninety-six".

Divisors: 1 2 4 8 16 269 538 1076 2152 4304 4349 8698 17396 34792 69584 1169881 2339762 4679524 9359048 18718096