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45271047 = 328875227
BaseRepresentation
bin1010110010110…
…0100000000111
310011012000012110
42230230200013
543042133142
64254152103
71056540363
oct254544007
9104160173
1045271047
1123610898
12131b2633
1394c0b03
1460262a3
153e9399c
hex2b2c807

45271047 has 8 divisors (see below), whose sum is σ = 60393856. Its totient is φ = 30164472.

The previous prime is 45271043. The next prime is 45271073. The reversal of 45271047 is 74017254.

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

It is not a de Polignac number, because 45271047 - 22 = 45271043 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 (45271043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6048 + ... + 11274.

It is an arithmetic number, because the mean of its divisors is an integer number (7549232).

Almost surely, 245271047 is an apocalyptic number.

45271047 is a deficient number, since it is larger than the sum of its proper divisors (15122809).

45271047 is a wasteful number, since it uses less digits than its factorization.

45271047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8117.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 45271047 is about 6728.3762528563. The cubic root of 45271047 is about 356.4020386440.

The spelling of 45271047 in words is "forty-five million, two hundred seventy-one thousand, forty-seven".

Divisors: 1 3 2887 5227 8661 15681 15090349 45271047