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14181490 = 254134589
BaseRepresentation
bin110110000110…
…010001110010
3222200111100101
4312012101302
512112301430
61223543014
7231353311
oct66062162
928614311
1014181490
118006844
1248baa6a
132c26c1b
141c52278
1513a1dca
hexd86472

14181490 has 16 divisors (see below), whose sum is σ = 26150040. Its totient is φ = 5534080.

The previous prime is 14181487. The next prime is 14181499. The reversal of 14181490 is 9418141.

It can be written as a sum of positive squares in 4 ways, for example, as 2614689 + 11566801 = 1617^2 + 3401^2 .

It is a super-2 number, since 2×141814902 = 402229317240200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (14181499) 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, 16885 + ... + 17704.

Almost surely, 214181490 is an apocalyptic number.

14181490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14181490 is a deficient number, since it is larger than the sum of its proper divisors (11968550).

14181490 is a wasteful number, since it uses less digits than its factorization.

14181490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34637.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 14181490 is about 3765.8319134024. The cubic root of 14181490 is about 242.0512265483.

The spelling of 14181490 in words is "fourteen million, one hundred eighty-one thousand, four hundred ninety".

Divisors: 1 2 5 10 41 82 205 410 34589 69178 172945 345890 1418149 2836298 7090745 14181490