Search a number
-
+
8426025 = 35521973
BaseRepresentation
bin100000001001…
…001000101001
3120212002100000
4200021020221
54124113100
6500333213
7131422446
oct40111051
916762300
108426025
114835663
1229a4209
13199031a
1411949cd
15b16900
hex809229

8426025 has 72 divisors (see below), whose sum is σ = 16700320. Its totient is φ = 4199040.

The previous prime is 8426023. The next prime is 8426039. The reversal of 8426025 is 5206248.

It is not a de Polignac number, because 8426025 - 21 = 8426023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 83 + 46 + 215 + 62 + 0 + 223 + 5 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8426025.

It is not an unprimeable number, because it can be changed into a prime (8426021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 115389 + ... + 115461.

Almost surely, 28426025 is an apocalyptic number.

It is an amenable number.

8426025 is a deficient number, since it is larger than the sum of its proper divisors (8274295).

8426025 is a wasteful number, since it uses less digits than its factorization.

8426025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 8426025 is about 2902.7616161166. The cubic root of 8426025 is about 203.4889891758.

The spelling of 8426025 in words is "eight million, four hundred twenty-six thousand, twenty-five".

Divisors: 1 3 5 9 15 19 25 27 45 57 73 75 81 95 135 171 219 225 243 285 365 405 475 513 657 675 855 1095 1215 1387 1425 1539 1825 1971 2025 2565 3285 4161 4275 4617 5475 5913 6075 6935 7695 9855 12483 12825 16425 17739 20805 23085 29565 34675 37449 38475 49275 62415 88695 104025 112347 115425 147825 187245 312075 337041 443475 561735 936225 1685205 2808675 8426025