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745078885 = 5199748823
BaseRepresentation
bin101100011010010…
…000000001100101
31220220222221002021
4230122100001211
53011220011020
6201533343141
724315031435
oct5432200145
91826887067
10745078885
11352639881
12189637ab1
13bb4938a5
1470d502c5
15456291aa
hex2c690065

745078885 has 8 divisors (see below), whose sum is σ = 898588800. Its totient is φ = 593067024.

The previous prime is 745078843. The next prime is 745078889. The reversal of 745078885 is 588870547.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 745078885 - 215 = 745046117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745078889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373417 + ... + 375406.

It is an arithmetic number, because the mean of its divisors is an integer number (112323600).

Almost surely, 2745078885 is an apocalyptic number.

It is an amenable number.

745078885 is a deficient number, since it is larger than the sum of its proper divisors (153509915).

745078885 is a wasteful number, since it uses less digits than its factorization.

745078885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749027.

The product of its (nonzero) digits is 2508800, while the sum is 52.

The square root of 745078885 is about 27296.1331510527. The cubic root of 745078885 is about 906.5687654858.

The spelling of 745078885 in words is "seven hundred forty-five million, seventy-eight thousand, eight hundred eighty-five".

Divisors: 1 5 199 995 748823 3744115 149015777 745078885