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104143144 = 2371859699
BaseRepresentation
bin1100011010100…
…01100100101000
321020222000112111
412031101210220
5203130040034
614200052104
72403126220
oct615214450
9236860474
10104143144
1153871316
122aa64034
1318764581
14db8d080
159222364
hex6351928

104143144 has 16 divisors (see below), whose sum is σ = 223164000. Its totient is φ = 44632752.

The previous prime is 104143141. The next prime is 104143159. The reversal of 104143144 is 441341401.

It is not an unprimeable number, because it can be changed into a prime (104143141) 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 3 ways as a sum of consecutive naturals, for example, 929794 + ... + 929905.

It is an arithmetic number, because the mean of its divisors is an integer number (13947750).

Almost surely, 2104143144 is an apocalyptic number.

104143144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

104143144 is an abundant number, since it is smaller than the sum of its proper divisors (119020856).

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

104143144 is a wasteful number, since it uses less digits than its factorization.

104143144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859712 (or 1859708 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 104143144 is about 10205.0548259184. The cubic root of 104143144 is about 470.4825946913.

Adding to 104143144 its reverse (441341401), we get a palindrome (545484545).

The spelling of 104143144 in words is "one hundred four million, one hundred forty-three thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 1859699 3719398 7438796 13017893 14877592 26035786 52071572 104143144