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45284223 = 315094741
BaseRepresentation
bin1010110010111…
…1101101111111
310011012200021110
42230233231333
543043043343
64254333103
71056623655
oct254575577
9104180243
1045284223
112361a786
12131ba193
1394c6aca
14602add5
153e97833
hex2b2fb7f

45284223 has 4 divisors (see below), whose sum is σ = 60378968. Its totient is φ = 30189480.

The previous prime is 45284191. The next prime is 45284257. The reversal of 45284223 is 32248254.

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

It is not a de Polignac number, because 45284223 - 25 = 45284191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45284293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7547368 + ... + 7547373.

It is an arithmetic number, because the mean of its divisors is an integer number (15094742).

Almost surely, 245284223 is an apocalyptic number.

45284223 is a deficient number, since it is larger than the sum of its proper divisors (15094745).

45284223 is a wasteful number, since it uses less digits than its factorization.

45284223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15094744.

The product of its digits is 15360, while the sum is 30.

The square root of 45284223 is about 6729.3553183050. The cubic root of 45284223 is about 356.4366118651.

The spelling of 45284223 in words is "forty-five million, two hundred eighty-four thousand, two hundred twenty-three".

Divisors: 1 3 15094741 45284223