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45554423 = 143931657
BaseRepresentation
bin1010110111000…
…1101011110111
310011201101220212
42231301223313
543130220143
64304220035
71062130505
oct255615367
9104641825
1045554423
1123794792
121330a61b
13958caa5
14609b675
153eec918
hex2b71af7

45554423 has 4 divisors (see below), whose sum is σ = 45587520. Its totient is φ = 45521328.

The previous prime is 45554413. The next prime is 45554459. The reversal of 45554423 is 32445554.

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 45554423 - 26 = 45554359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45554423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45554413) 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, 14390 + ... + 17267.

It is an arithmetic number, because the mean of its divisors is an integer number (11396880).

Almost surely, 245554423 is an apocalyptic number.

45554423 is a deficient number, since it is larger than the sum of its proper divisors (33097).

45554423 is a wasteful number, since it uses less digits than its factorization.

45554423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33096.

The product of its digits is 48000, while the sum is 32.

The square root of 45554423 is about 6749.4016771859. The cubic root of 45554423 is about 357.1441301974.

Adding to 45554423 its reverse (32445554), we get a palindrome (77999977).

The spelling of 45554423 in words is "forty-five million, five hundred fifty-four thousand, four hundred twenty-three".

Divisors: 1 1439 31657 45554423