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104020450 = 25217532309
BaseRepresentation
bin1100011001100…
…11100111100010
321020201210020021
412030303213202
5203112123300
614153304054
72402105422
oct614634742
9236653207
10104020450
1153798116
122aa0502a
1318720781
14db5a482
1591ead1a
hex63339e2

104020450 has 48 divisors (see below), whose sum is σ = 208814760. Its totient is φ = 38405120.

The previous prime is 104020439. The next prime is 104020451. The reversal of 104020450 is 54020401.

It can be written as a sum of positive squares in 12 ways, for example, as 42758521 + 61261929 = 6539^2 + 7827^2 .

It is not an unprimeable number, because it can be changed into a prime (104020451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43896 + ... + 46204.

Almost surely, 2104020450 is an apocalyptic number.

104020450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104020450 is an abundant number, since it is smaller than the sum of its proper divisors (104794310).

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

104020450 is a wasteful number, since it uses less digits than its factorization.

104020450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391 (or 2386 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 104020450 is about 10199.0416216427. The cubic root of 104020450 is about 470.2977591102.

Adding to 104020450 its reverse (54020401), we get a palindrome (158040851).

The spelling of 104020450 in words is "one hundred four million, twenty thousand, four hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 53 85 106 170 265 425 530 850 901 1325 1802 2309 2650 4505 4618 9010 11545 22525 23090 39253 45050 57725 78506 115450 122377 196265 244754 392530 611885 981325 1223770 1962650 2080409 3059425 4160818 6118850 10402045 20804090 52010225 104020450