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120271447 = 1713075413
BaseRepresentation
bin1110010101100…
…11001001010111
322101022102102001
413022303021113
5221242141242
615533500131
72660201422
oct712631127
9271272361
10120271447
116198779a
1234341647
131bbc064a
1411d8a9b9
15a85aeb7
hex72b3257

120271447 has 8 divisors (see below), whose sum is σ = 127467216. Its totient is φ = 113089152.

The previous prime is 120271427. The next prime is 120271451. The reversal of 120271447 is 744172021.

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

It is a cyclic number.

It is not a de Polignac number, because 120271447 - 223 = 111882839 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 (120271427) 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, 19513 + ... + 24925.

It is an arithmetic number, because the mean of its divisors is an integer number (15933402).

Almost surely, 2120271447 is an apocalyptic number.

120271447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

120271447 is a deficient number, since it is larger than the sum of its proper divisors (7195769).

120271447 is a wasteful number, since it uses less digits than its factorization.

120271447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 120271447 is about 10966.8339551577. The cubic root of 120271447 is about 493.6140491589.

The spelling of 120271447 in words is "one hundred twenty million, two hundred seventy-one thousand, four hundred forty-seven".

Divisors: 1 17 1307 5413 22219 92021 7074791 120271447