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104261149 = 797130817
BaseRepresentation
bin1100011011011…
…10011000011101
321021012000102001
412031232120131
5203142324044
614202402301
72404130236
oct615563035
9237160361
10104261149
1153941a43
122ab00391
13187a61b5
14dbc008d
1592472d4
hex636e61d

104261149 has 4 divisors (see below), whose sum is σ = 104392764. Its totient is φ = 104129536.

The previous prime is 104261147. The next prime is 104261161. The reversal of 104261149 is 941162401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78322500 + 25938649 = 8850^2 + 5093^2 .

It is a cyclic number.

It is not a de Polignac number, because 104261149 - 21 = 104261147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104261141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64612 + ... + 66205.

It is an arithmetic number, because the mean of its divisors is an integer number (26098191).

Almost surely, 2104261149 is an apocalyptic number.

It is an amenable number.

104261149 is a deficient number, since it is larger than the sum of its proper divisors (131615).

104261149 is an equidigital number, since it uses as much as digits as its factorization.

104261149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131614.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 104261149 is about 10210.8348826137. The cubic root of 104261149 is about 470.6602294990.

The spelling of 104261149 in words is "one hundred four million, two hundred sixty-one thousand, one hundred forty-nine".

Divisors: 1 797 130817 104261149