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45204789 = 373169439
BaseRepresentation
bin1010110001110…
…0010100110101
310011001122022110
42230130110311
543033023124
64252521233
71056143250
oct254342465
9104048273
1045204789
1123576033
1213180219
1394998c6
14600a097
153e7e029
hex2b1c535

45204789 has 16 divisors (see below), whose sum is σ = 71106560. Its totient is φ = 24997680.

The previous prime is 45204773. The next prime is 45204811. The reversal of 45204789 is 98740254.

45204789 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 45204789 - 24 = 45204773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45204769) 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 15 ways as a sum of consecutive naturals, for example, 34069 + ... + 35370.

It is an arithmetic number, because the mean of its divisors is an integer number (4444160).

Almost surely, 245204789 is an apocalyptic number.

It is an amenable number.

45204789 is a deficient number, since it is larger than the sum of its proper divisors (25901771).

45204789 is a wasteful number, since it uses less digits than its factorization.

45204789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69480.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 45204789 is about 6723.4506765500. The cubic root of 45204789 is about 356.2280789220.

The spelling of 45204789 in words is "forty-five million, two hundred four thousand, seven hundred eighty-nine".

Divisors: 1 3 7 21 31 93 217 651 69439 208317 486073 1458219 2152609 6457827 15068263 45204789