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120260449 = 891351241
BaseRepresentation
bin1110010101100…
…00011101100001
322101021212022201
413022300131201
5221241313244
615533333201
72660124361
oct712603541
9271255281
10120260449
116197a501
1234337201
131bbb863a
1411d869a1
15a857ad4
hex72b0761

120260449 has 4 divisors (see below), whose sum is σ = 121611780. Its totient is φ = 118909120.

The previous prime is 120260447. The next prime is 120260453. The reversal of 120260449 is 944062021.

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 15054400 + 105206049 = 3880^2 + 10257^2 .

It is a cyclic number.

It is not a de Polignac number, because 120260449 - 21 = 120260447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120260447) 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 3 ways as a sum of consecutive naturals, for example, 675532 + ... + 675709.

It is an arithmetic number, because the mean of its divisors is an integer number (30402945).

Almost surely, 2120260449 is an apocalyptic number.

It is an amenable number.

120260449 is a deficient number, since it is larger than the sum of its proper divisors (1351331).

120260449 is an equidigital number, since it uses as much as digits as its factorization.

120260449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351330.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 120260449 is about 10966.3325227717. The cubic root of 120260449 is about 493.5990028258.

The spelling of 120260449 in words is "one hundred twenty million, two hundred sixty thousand, four hundred forty-nine".

Divisors: 1 89 1351241 120260449