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45121713 = 3713198699
BaseRepresentation
bin1010110000100…
…0000010110001
310010220102100120
42230020002301
543022343323
64251040453
71055346120
oct254100261
9103812316
1045121713
112351967a
1213140129
13946ab50
145dc7ab7
153e645e3
hex2b080b1

45121713 has 32 divisors (see below), whose sum is σ = 77952000. Its totient is φ = 22545216.

The previous prime is 45121711. The next prime is 45121729. The reversal of 45121713 is 31712154.

It is not a de Polignac number, because 45121713 - 21 = 45121711 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45121711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 838 + ... + 9536.

It is an arithmetic number, because the mean of its divisors is an integer number (2436000).

Almost surely, 245121713 is an apocalyptic number.

It is an amenable number.

45121713 is a deficient number, since it is larger than the sum of its proper divisors (32830287).

45121713 is a wasteful number, since it uses less digits than its factorization.

45121713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8741.

The product of its digits is 840, while the sum is 24.

The square root of 45121713 is about 6717.2697578704. The cubic root of 45121713 is about 356.0097233594.

Adding to 45121713 its reverse (31712154), we get a palindrome (76833867).

The spelling of 45121713 in words is "forty-five million, one hundred twenty-one thousand, seven hundred thirteen".

Divisors: 1 3 7 13 19 21 39 57 91 133 247 273 399 741 1729 5187 8699 26097 60893 113087 165281 182679 339261 495843 791609 1156967 2148653 2374827 3470901 6445959 15040571 45121713