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104143212 = 2233964289
BaseRepresentation
bin1100011010100…
…01100101101100
321020222000122000
412031101211230
5203130040322
614200052300
72403126345
oct615214554
9236860560
10104143212
1153871378
122aa64090
1318764604
14db8d0cc
1592223ac
hex635196c

104143212 has 24 divisors (see below), whose sum is σ = 270001200. Its totient is φ = 34714368.

The previous prime is 104143159. The next prime is 104143217. The reversal of 104143212 is 212341401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (104143217) 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 7 ways as a sum of consecutive naturals, for example, 482037 + ... + 482252.

It is an arithmetic number, because the mean of its divisors is an integer number (11250050).

Almost surely, 2104143212 is an apocalyptic number.

104143212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104143212 is an abundant number, since it is smaller than the sum of its proper divisors (165857988).

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

104143212 is a wasteful number, since it uses less digits than its factorization.

104143212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964302 (or 964294 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 104143212 is about 10205.0581576001. The cubic root of 104143212 is about 470.4826970914.

Adding to 104143212 its reverse (212341401), we get a palindrome (316484613).

It can be divided in two parts, 1041 and 43212, that added together give a triangular number (44253 = T297).

The spelling of 104143212 in words is "one hundred four million, one hundred forty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 964289 1928578 2892867 3857156 5785734 8678601 11571468 17357202 26035803 34714404 52071606 104143212