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825408093 = 32271212053
BaseRepresentation
bin110001001100101…
…011101001011101
32010112011002001010
4301030223221131
53142301024333
6213523205433
726311565406
oct6114535135
92115132033
10825408093
11393a15354
121b0516879
1310200aa73
147b8a09ad
154c6e5563
hex3132ba5d

825408093 has 8 divisors (see below), whose sum is σ = 1105393248. Its totient is φ = 547847504.

The previous prime is 825408083. The next prime is 825408097. The reversal of 825408093 is 390804528.

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 825408093 - 26 = 825408029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825408097) 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, 605346 + ... + 606707.

It is an arithmetic number, because the mean of its divisors is an integer number (138174156).

Almost surely, 2825408093 is an apocalyptic number.

It is an amenable number.

825408093 is a deficient number, since it is larger than the sum of its proper divisors (279985155).

825408093 is a wasteful number, since it uses less digits than its factorization.

825408093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212283.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 825408093 is about 28729.9163416812. The cubic root of 825408093 is about 938.0433469693.

The spelling of 825408093 in words is "eight hundred twenty-five million, four hundred eight thousand, ninety-three".

Divisors: 1 3 227 681 1212053 3636159 275136031 825408093