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892005745 = 5612924609
BaseRepresentation
bin110101001010101…
…110110101110001
32022011110120211211
4311022232311301
53311323140440
6224302440121
731050631561
oct6512566561
92264416754
10892005745
11418572134
1220a893041
13112a57a67
1486678da1
155349ceea
hex352aed71

892005745 has 8 divisors (see below), whose sum is σ = 1087954920. Its totient is φ = 701905920.

The previous prime is 892005743. The next prime is 892005769. The reversal of 892005745 is 547500298.

It can be written as a sum of positive squares in 4 ways, for example, as 28174864 + 863830881 = 5308^2 + 29391^2 .

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

It is not a de Polignac number, because 892005745 - 21 = 892005743 is a prime.

It is a super-2 number, since 2×8920057452 = 1591348498226010050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 892005698 and 892005707.

It is not an unprimeable number, because it can be changed into a prime (892005743) 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, 1462000 + ... + 1462609.

It is an arithmetic number, because the mean of its divisors is an integer number (135994365).

Almost surely, 2892005745 is an apocalyptic number.

It is an amenable number.

892005745 is a deficient number, since it is larger than the sum of its proper divisors (195949175).

892005745 is a wasteful number, since it uses less digits than its factorization.

892005745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924675.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 892005745 is about 29866.4652243951. The cubic root of 892005745 is about 962.6222236421.

The spelling of 892005745 in words is "eight hundred ninety-two million, five thousand, seven hundred forty-five".

Divisors: 1 5 61 305 2924609 14623045 178401149 892005745