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45124271 = 313144167
BaseRepresentation
bin1010110000100…
…0101010101111
310010220112212022
42230020222233
543022434041
64251100355
71055356433
oct254105257
9103815768
1045124271
1123520595
12131416bb
13946c06a
145dc89c3
153e6524b
hex2b08aaf

45124271 has 4 divisors (see below), whose sum is σ = 45268752. Its totient is φ = 44979792.

The previous prime is 45124223. The next prime is 45124279. The reversal of 45124271 is 17242154.

45124271 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 an emirpimes, since its reverse is a distinct semiprime: 17242154 = 28621077.

It is a cyclic number.

It is not a de Polignac number, because 45124271 - 26 = 45124207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45124271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45124279) 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, 71771 + ... + 72396.

It is an arithmetic number, because the mean of its divisors is an integer number (11317188).

Almost surely, 245124271 is an apocalyptic number.

45124271 is a deficient number, since it is larger than the sum of its proper divisors (144481).

45124271 is a wasteful number, since it uses less digits than its factorization.

45124271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144480.

The product of its digits is 2240, while the sum is 26.

The square root of 45124271 is about 6717.4601599116. The cubic root of 45124271 is about 356.0164507611.

The spelling of 45124271 in words is "forty-five million, one hundred twenty-four thousand, two hundred seventy-one".

Divisors: 1 313 144167 45124271