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104020308 = 22337137593
BaseRepresentation
bin1100011001100…
…11100101010100
321020201210001000
412030303211110
5203112122213
614153303300
72402105130
oct614634524
9236653030
10104020308
1153797aa7
122aa04b30
13187206a2
14db5a3c0
1591eac73
hex6333954

104020308 has 48 divisors (see below), whose sum is σ = 308210560. Its totient is φ = 29719872.

The previous prime is 104020289. The next prime is 104020309. The reversal of 104020308 is 803020401.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104020309) 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 15 ways as a sum of consecutive naturals, for example, 68041 + ... + 69552.

Almost surely, 2104020308 is an apocalyptic number.

104020308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

104020308 is an abundant number, since it is smaller than the sum of its proper divisors (204190252).

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

104020308 is a wasteful number, since it uses less digits than its factorization.

104020308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137613 (or 137605 counting only the distinct ones).

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

The square root of 104020308 is about 10199.0346602019. The cubic root of 104020308 is about 470.2975451064.

Adding to 104020308 its reverse (803020401), we get a palindrome (907040709).

The spelling of 104020308 in words is "one hundred four million, twenty thousand, three hundred eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 137593 275186 412779 550372 825558 963151 1238337 1651116 1926302 2476674 2889453 3715011 3852604 4953348 5778906 7430022 8668359 11557812 14860044 17336718 26005077 34673436 52010154 104020308