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45120775 = 527892897
BaseRepresentation
bin1010110000011…
…1110100000111
310010220101001211
42230013310013
543022331100
64251032251
71055343310
oct254076407
9103811054
1045120775
11235189a7
121313b687
13946a5ab
145dc7607
153e641ba
hex2b07d07

45120775 has 24 divisors (see below), whose sum is σ = 64683360. Its totient is φ = 30581760.

The previous prime is 45120769. The next prime is 45120809. The reversal of 45120775 is 57702154.

45120775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45120775 - 29 = 45120263 is a prime.

It is a super-3 number, since 3×451207753 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 14127 + ... + 17023.

It is an arithmetic number, because the mean of its divisors is an integer number (2695140).

Almost surely, 245120775 is an apocalyptic number.

45120775 is a deficient number, since it is larger than the sum of its proper divisors (19562585).

45120775 is a wasteful number, since it uses less digits than its factorization.

45120775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003 (or 2998 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 45120775 is about 6717.1999374739. The cubic root of 45120775 is about 356.0072564064.

The spelling of 45120775 in words is "forty-five million, one hundred twenty thousand, seven hundred seventy-five".

Divisors: 1 5 7 25 35 89 175 445 623 2225 2897 3115 14485 15575 20279 72425 101395 257833 506975 1289165 1804831 6445825 9024155 45120775