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104121444 = 22371965239
BaseRepresentation
bin1100011010011…
…00010001100100
321020220220202210
412031030101210
5203123341234
614155403420
72403006030
oct615142144
9236826683
10104121444
1153856a89
122aa53570
131875772b
14db851c0
15921abe9
hex634c464

104121444 has 48 divisors (see below), whose sum is σ = 292275200. Its totient is φ = 28182816.

The previous prime is 104121443. The next prime is 104121469. The reversal of 104121444 is 444121401.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 104121444.

It is not an unprimeable number, because it can be changed into a prime (104121443) 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 15 ways as a sum of consecutive naturals, for example, 31024 + ... + 34215.

Almost surely, 2104121444 is an apocalyptic number.

104121444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

104121444 is an abundant number, since it is smaller than the sum of its proper divisors (188153756).

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

104121444 is a wasteful number, since it uses less digits than its factorization.

104121444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65272 (or 65270 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 104121444 is about 10203.9915719291. The cubic root of 104121444 is about 470.4499147308.

Adding to 104121444 its reverse (444121401), we get a palindrome (548242845).

The spelling of 104121444 in words is "one hundred four million, one hundred twenty-one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 399 532 798 1596 65239 130478 195717 260956 391434 456673 782868 913346 1239541 1370019 1826692 2479082 2740038 3718623 4958164 5480076 7437246 8676787 14874492 17353574 26030361 34707148 52060722 104121444