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45905013 = 3272119463
BaseRepresentation
bin1010111100011…
…1010001110101
310012101012211200
42233013101311
543222430023
64315523113
71065120600
oct257072165
9105335750
1045905013
1123a04130
1213459499
13968353b
14614d337
15406b743
hex2bc7475

45905013 has 36 divisors (see below), whose sum is σ = 84153888. Its totient is φ = 23844240.

The previous prime is 45904939. The next prime is 45905021. The reversal of 45905013 is 31050954.

It is not a de Polignac number, because 45905013 - 29 = 45904501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45905053) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 120 + ... + 9582.

It is an arithmetic number, because the mean of its divisors is an integer number (2337608).

Almost surely, 245905013 is an apocalyptic number.

It is an amenable number.

45905013 is a deficient number, since it is larger than the sum of its proper divisors (38248875).

45905013 is a wasteful number, since it uses less digits than its factorization.

45905013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9494 (or 9484 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 45905013 is about 6775.3238298992. The cubic root of 45905013 is about 358.0579918123.

Adding to 45905013 its reverse (31050954), we get a palindrome (76955967).

The spelling of 45905013 in words is "forty-five million, nine hundred five thousand, thirteen".

Divisors: 1 3 7 9 11 21 33 49 63 77 99 147 231 441 539 693 1617 4851 9463 28389 66241 85167 104093 198723 312279 463687 596169 728651 936837 1391061 2185953 4173183 5100557 6557859 15301671 45905013