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104428540 = 22510947903
BaseRepresentation
bin1100011100101…
…11001111111100
321021111112000201
412032113033330
5203213203130
614210133244
72405425246
oct616271774
9237445021
10104428540
1153a46787
122ab81224
1318834448
14dc25096
15927bbca
hex63973fc

104428540 has 24 divisors (see below), whose sum is σ = 221316480. Its totient is φ = 41387328.

The previous prime is 104428483. The next prime is 104428547. The reversal of 104428540 is 45824401.

It is a junction number, because it is equal to n+sod(n) for n = 104428499 and 104428508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104428547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21772 + ... + 26131.

It is an arithmetic number, because the mean of its divisors is an integer number (9221520).

Almost surely, 2104428540 is an apocalyptic number.

104428540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104428540 is an abundant number, since it is smaller than the sum of its proper divisors (116887940).

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

104428540 is a wasteful number, since it uses less digits than its factorization.

104428540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48021 (or 48019 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 104428540 is about 10219.0283295429. The cubic root of 104428540 is about 470.9119760736.

It can be divided in two parts, 1044 and 28540, that added together give a square (29584 = 1722).

The spelling of 104428540 in words is "one hundred four million, four hundred twenty-eight thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 47903 95806 191612 239515 479030 958060 5221427 10442854 20885708 26107135 52214270 104428540