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45109983 = 3103145987
BaseRepresentation
bin1010110000010…
…1001011011111
310010212211021010
42230011023133
543022004413
64250510303
71055266662
oct254051337
9103784233
1045109983
1123510886
1213135393
1394656c9
145dc36d9
153e60dc3
hex2b052df

45109983 has 8 divisors (see below), whose sum is σ = 60731008. Its totient is φ = 29781144.

The previous prime is 45109979. The next prime is 45109997. The reversal of 45109983 is 38990154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45109983 - 22 = 45109979 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 (45109913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72685 + ... + 73302.

It is an arithmetic number, because the mean of its divisors is an integer number (7591376).

Almost surely, 245109983 is an apocalyptic number.

45109983 is a deficient number, since it is larger than the sum of its proper divisors (15621025).

45109983 is a wasteful number, since it uses less digits than its factorization.

45109983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146093.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 45109983 is about 6716.3965785233. The cubic root of 45109983 is about 355.9788708370.

The spelling of 45109983 in words is "forty-five million, one hundred nine thousand, nine hundred eighty-three".

Divisors: 1 3 103 309 145987 437961 15036661 45109983