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8425445 = 57240727
BaseRepresentation
bin100000001000…
…111111100101
3120212001112112
4200020333211
54124103240
6500330405
7131420660
oct40107745
916761475
108425445
114835186
1229a3a05
13198cc92
1411946d7
15b16665
hex808fe5

8425445 has 8 divisors (see below), whose sum is σ = 11554944. Its totient is φ = 5777424.

The previous prime is 8425433. The next prime is 8425447. The reversal of 8425445 is 5445248.

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 8425445 - 214 = 8409061 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 (8425447) 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, 120329 + ... + 120398.

It is an arithmetic number, because the mean of its divisors is an integer number (1444368).

Almost surely, 28425445 is an apocalyptic number.

It is an amenable number.

8425445 is a deficient number, since it is larger than the sum of its proper divisors (3129499).

8425445 is a wasteful number, since it uses less digits than its factorization.

8425445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240739.

The product of its digits is 25600, while the sum is 32.

The square root of 8425445 is about 2902.6617095349. The cubic root of 8425445 is about 203.4843200575.

The spelling of 8425445 in words is "eight million, four hundred twenty-five thousand, four hundred forty-five".

Divisors: 1 5 7 35 240727 1203635 1685089 8425445