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18149076 = 22331115277
BaseRepresentation
bin100010100111…
…0111011010100
31021011001212000
41011032323110
514121232301
61444555300
7310156521
oct105167324
937131760
1018149076
11a276740
1260b2b30
1339b5aca
1425a6148
1518d7786
hex114eed4

18149076 has 48 divisors (see below), whose sum is σ = 51334080. Its totient is φ = 5499360.

The previous prime is 18149071. The next prime is 18149111. The reversal of 18149076 is 67094181.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 18149076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18149071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6451 + ... + 8826.

It is an arithmetic number, because the mean of its divisors is an integer number (1069460).

Almost surely, 218149076 is an apocalyptic number.

It is an amenable number.

18149076 is an abundant number, since it is smaller than the sum of its proper divisors (33185004).

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

18149076 is a wasteful number, since it uses less digits than its factorization.

18149076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15301 (or 15293 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 18149076 is about 4260.1732359142. The cubic root of 18149076 is about 262.7956505608.

The spelling of 18149076 in words is "eighteen million, one hundred forty-nine thousand, seventy-six".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 99 108 132 198 297 396 594 1188 15277 30554 45831 61108 91662 137493 168047 183324 274986 336094 412479 504141 549972 672188 824958 1008282 1512423 1649916 2016564 3024846 4537269 6049692 9074538 18149076