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18127146 = 2329104179
BaseRepresentation
bin100010100100…
…1100100101010
31021002221202210
41011021210222
514120032041
61444305550
7310035552
oct105114452
937087683
1018127146
11a261214
1260a22b6
1339a8b2b
14259c162
1518d1016
hex114992a

18127146 has 16 divisors (see below), whose sum is σ = 37504800. Its totient is φ = 5833968.

The previous prime is 18127127. The next prime is 18127163. The reversal of 18127146 is 64172181.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51916 + ... + 52263.

It is an arithmetic number, because the mean of its divisors is an integer number (2344050).

Almost surely, 218127146 is an apocalyptic number.

18127146 is an abundant number, since it is smaller than the sum of its proper divisors (19377654).

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

18127146 is a wasteful number, since it uses less digits than its factorization.

18127146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104213.

The product of its digits is 2688, while the sum is 30.

The square root of 18127146 is about 4257.5986189400. The cubic root of 18127146 is about 262.6897602956.

The spelling of 18127146 in words is "eighteen million, one hundred twenty-seven thousand, one hundred forty-six".

Divisors: 1 2 3 6 29 58 87 174 104179 208358 312537 625074 3021191 6042382 9063573 18127146