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45391171 = 719341287
BaseRepresentation
bin1010110100100…
…1110101000011
310011102002222111
42231021311003
543110004141
64300520151
71060550530
oct255116503
9104362874
1045391171
1123693071
1213250057
1395336a7
146057d87
153eb9381
hex2b49d43

45391171 has 8 divisors (see below), whose sum is σ = 54606080. Its totient is φ = 36858888.

The previous prime is 45391153. The next prime is 45391183. The reversal of 45391171 is 17119354.

45391171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45391171 - 29 = 45390659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45391111) 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 7 ways as a sum of consecutive naturals, for example, 170511 + ... + 170776.

It is an arithmetic number, because the mean of its divisors is an integer number (6825760).

Almost surely, 245391171 is an apocalyptic number.

45391171 is a deficient number, since it is larger than the sum of its proper divisors (9214909).

45391171 is a wasteful number, since it uses less digits than its factorization.

45391171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341313.

The product of its digits is 3780, while the sum is 31.

The square root of 45391171 is about 6737.2970099291. The cubic root of 45391171 is about 356.7169906962.

The spelling of 45391171 in words is "forty-five million, three hundred ninety-one thousand, one hundred seventy-one".

Divisors: 1 7 19 133 341287 2389009 6484453 45391171