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45281427 = 3191515261
BaseRepresentation
bin1010110010111…
…1000010010011
310011012112102220
42230233002103
543043001202
64254312123
71056612552
oct254570223
9104175386
1045281427
1123618674
12131b8643
1394c5759
146029d99
153e96abc
hex2b2f093

45281427 has 16 divisors (see below), whose sum is σ = 63985920. Its totient is φ = 28404000.

The previous prime is 45281419. The next prime is 45281429. The reversal of 45281427 is 72418254.

45281427 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 45281427 - 23 = 45281419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45281429) 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, 5977 + ... + 11237.

It is an arithmetic number, because the mean of its divisors is an integer number (3999120).

Almost surely, 245281427 is an apocalyptic number.

45281427 is a deficient number, since it is larger than the sum of its proper divisors (18704493).

45281427 is a wasteful number, since it uses less digits than its factorization.

45281427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5434.

The product of its digits is 17920, while the sum is 33.

The square root of 45281427 is about 6729.1475686003. The cubic root of 45281427 is about 356.4292758497.

The spelling of 45281427 in words is "forty-five million, two hundred eighty-one thousand, four hundred twenty-seven".

Divisors: 1 3 19 57 151 453 2869 5261 8607 15783 99959 299877 794411 2383233 15093809 45281427