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45284023 = 421107563
BaseRepresentation
bin1010110010111…
…1101010110111
310011012200000001
42230233222313
543043042043
64254332131
71056623251
oct254575267
9104180001
1045284023
112361a614
12131ba047
1394c69a5
14602acd1
153e9774d
hex2b2fab7

45284023 has 4 divisors (see below), whose sum is σ = 45392008. Its totient is φ = 45176040.

The previous prime is 45283991. The next prime is 45284059. The reversal of 45284023 is 32048254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45284023 - 25 = 45283991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45283982 and 45284000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45284123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53361 + ... + 54202.

It is an arithmetic number, because the mean of its divisors is an integer number (11348002).

Almost surely, 245284023 is an apocalyptic number.

45284023 is a deficient number, since it is larger than the sum of its proper divisors (107985).

45284023 is a wasteful number, since it uses less digits than its factorization.

45284023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107984.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 45284023 is about 6729.3404580241. The cubic root of 45284023 is about 356.4360871244.

The spelling of 45284023 in words is "forty-five million, two hundred eighty-four thousand, twenty-three".

Divisors: 1 421 107563 45284023