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18148002 = 2319159193
BaseRepresentation
bin100010100111…
…0101010100010
31021011000101020
41011032222202
514121214002
61444550310
7310153425
oct105165242
937130336
1018148002
11a275954
1260b2396
1339b5482
1425a59bc
1518d72bc
hex114eaa2

18148002 has 16 divisors (see below), whose sum is σ = 38206560. Its totient is φ = 5730912.

The previous prime is 18148001. The next prime is 18148007. The reversal of 18148002 is 20084181.

It is not an unprimeable number, because it can be changed into a prime (18148001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79483 + ... + 79710.

It is an arithmetic number, because the mean of its divisors is an integer number (2387910).

Almost surely, 218148002 is an apocalyptic number.

18148002 is an abundant number, since it is smaller than the sum of its proper divisors (20058558).

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

18148002 is a wasteful number, since it uses less digits than its factorization.

18148002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159217.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 18148002 is about 4260.0471828373. The cubic root of 18148002 is about 262.7904666771.

The spelling of 18148002 in words is "eighteen million, one hundred forty-eight thousand, two".

Divisors: 1 2 3 6 19 38 57 114 159193 318386 477579 955158 3024667 6049334 9074001 18148002