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38025857 = 531375237
BaseRepresentation
bin1001000100001…
…1101010000001
32122112220200002
42101003222001
534213311412
63435005345
7641133362
oct221035201
978486602
1038025857
111a512431
1210899855
137b5510c
14509bb69
153511dc2
hex2443a81

38025857 has 8 divisors (see below), whose sum is σ = 39033576. Its totient is φ = 37028992.

The previous prime is 38025853. The next prime is 38025881. The reversal of 38025857 is 75852083.

It can be written as a sum of positive squares in 4 ways, for example, as 17631601 + 20394256 = 4199^2 + 4516^2 .

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 38025857 - 22 = 38025853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38025857.

It is not an unprimeable number, because it can be changed into a prime (38025853) 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, 4643 + ... + 9879.

It is an arithmetic number, because the mean of its divisors is an integer number (4879197).

Almost surely, 238025857 is an apocalyptic number.

It is an amenable number.

38025857 is a deficient number, since it is larger than the sum of its proper divisors (1007719).

38025857 is a wasteful number, since it uses less digits than its factorization.

38025857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5427.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 38025857 is about 6166.5109259613. The cubic root of 38025857 is about 336.2737783012.

The spelling of 38025857 in words is "thirty-eight million, twenty-five thousand, eight hundred fifty-seven".

Divisors: 1 53 137 5237 7261 277561 717469 38025857