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45438717 = 361248299
BaseRepresentation
bin1010110101010…
…1011011111101
310011111112012110
42231111123331
543113014332
64301524233
71061136252
oct255253375
9104445173
1045438717
1123715865
1213273679
13954c21c
14606b429
153ec84cc
hex2b556fd

45438717 has 8 divisors (see below), whose sum is σ = 61578400. Its totient is φ = 29795760.

The previous prime is 45438697. The next prime is 45438719. The reversal of 45438717 is 71783454.

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

It is not a de Polignac number, because 45438717 - 28 = 45438461 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 (45438719) 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 7 ways as a sum of consecutive naturals, for example, 123967 + ... + 124332.

It is an arithmetic number, because the mean of its divisors is an integer number (7697300).

Almost surely, 245438717 is an apocalyptic number.

It is an amenable number.

45438717 is a deficient number, since it is larger than the sum of its proper divisors (16139683).

45438717 is a wasteful number, since it uses less digits than its factorization.

45438717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248363.

The product of its digits is 94080, while the sum is 39.

The square root of 45438717 is about 6740.8246528151. The cubic root of 45438717 is about 356.8414976376.

The spelling of 45438717 in words is "forty-five million, four hundred thirty-eight thousand, seven hundred seventeen".

Divisors: 1 3 61 183 248299 744897 15146239 45438717