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45102517 = 231960979
BaseRepresentation
bin1010110000001…
…1010110110101
310010212110000121
42230003112311
543021240032
64250411541
71055236135
oct254032665
9103773017
1045102517
1123506209
1213130bb1
1394621a5
145dc0ac5
153e5da97
hex2b035b5

45102517 has 4 divisors (see below), whose sum is σ = 47063520. Its totient is φ = 43141516.

The previous prime is 45102503. The next prime is 45102521. The reversal of 45102517 is 71520154.

45102517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45102517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45102491 and 45102500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45102527) 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 3 ways as a sum of consecutive naturals, for example, 980467 + ... + 980512.

It is an arithmetic number, because the mean of its divisors is an integer number (11765880).

Almost surely, 245102517 is an apocalyptic number.

It is an amenable number.

45102517 is a deficient number, since it is larger than the sum of its proper divisors (1961003).

45102517 is a wasteful number, since it uses less digits than its factorization.

45102517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961002.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 45102517 is about 6715.8407515366. The cubic root of 45102517 is about 355.9592308024.

The spelling of 45102517 in words is "forty-five million, one hundred two thousand, five hundred seventeen".

Divisors: 1 23 1960979 45102517