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104491445 = 554138629
BaseRepresentation
bin1100011101001…
…10100110110101
321021121201022112
412032212212311
5203222211240
614211340405
72406106532
oct616464665
9237551275
10104491445
1153a89a73
122abb1705
1318856c76
14dc3dd89
159290665
hex63a69b5

104491445 has 8 divisors (see below), whose sum is σ = 125624760. Its totient is φ = 83436480.

The previous prime is 104491427. The next prime is 104491447. The reversal of 104491445 is 544194401.

It can be written as a sum of positive squares in 4 ways, for example, as 165649 + 104325796 = 407^2 + 10214^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104491445 - 26 = 104491381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104491447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16610 + ... + 22019.

It is an arithmetic number, because the mean of its divisors is an integer number (15703095).

Almost surely, 2104491445 is an apocalyptic number.

It is an amenable number.

104491445 is a deficient number, since it is larger than the sum of its proper divisors (21133315).

104491445 is an equidigital number, since it uses as much as digits as its factorization.

104491445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39175.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 104491445 is about 10222.1057028383. The cubic root of 104491445 is about 471.0065120816.

The spelling of 104491445 in words is "one hundred four million, four hundred ninety-one thousand, four hundred forty-five".

Divisors: 1 5 541 2705 38629 193145 20898289 104491445