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45494783 = 199228617
BaseRepresentation
bin1010110110001…
…1000111111111
310011121101002222
42231203013333
543121313113
64303035555
71061461565
oct255430777
9104541088
1045494783
11237539a4
121329bbbb
13956b8b9
146083a35
153ed9e08
hex2b631ff

45494783 has 4 divisors (see below), whose sum is σ = 45723600. Its totient is φ = 45265968.

The previous prime is 45494777. The next prime is 45494821. The reversal of 45494783 is 38749454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38749454 = 219374727.

It is a cyclic number.

It is not a de Polignac number, because 45494783 - 210 = 45493759 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45494083) 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, 114110 + ... + 114507.

It is an arithmetic number, because the mean of its divisors is an integer number (11430900).

Almost surely, 245494783 is an apocalyptic number.

45494783 is a deficient number, since it is larger than the sum of its proper divisors (228817).

45494783 is a wasteful number, since it uses less digits than its factorization.

45494783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228816.

The product of its digits is 483840, while the sum is 44.

The square root of 45494783 is about 6744.9820607619. The cubic root of 45494783 is about 356.9882040423.

The spelling of 45494783 in words is "forty-five million, four hundred ninety-four thousand, seven hundred eighty-three".

Divisors: 1 199 228617 45494783